Fix URLs

Author: krlmlr

DESCRIPTION

@@ -17,7 +17,7 @@ Description: A small collection of various network data sets, to use with
     Koenigsberg's bridges, visuotactile brain areas of the macaque monkey,
     UK faculty friendship network, domestic US flights network, etc.
 License: CC BY-SA 4.0 + file LICENSE
-URL: http://igraph.org
+URL: https://igraph.org/
 BugReports: https://github.com/igraph/igraphdata/issues
 Depends: 
     R (>= 2.10)

R/UKfaculty.R

@@ -20,7 +20,7 @@
 #'
 #'   This dataset is licensed under a Creative Commons
 #'   Attribution-Share Alike 2.0 UK: England & Wales License,
-#'   see <http://creativecommons.org/licenses/by-sa/2.0/uk/> for details.
+#'   see <https://creativecommons.org/licenses/by-sa/2.0/uk/> for details.
 #'   Please cite the reference below if you use this dataset.
 #' @references Nepusz T., Petroczi A., Negyessy L., Bazso F.: Fuzzy
 #'   communities and the concept of bridgeness in complex

R/USairports.R

@@ -44,8 +44,7 @@
 #'   }
 #' @source
 #'   Most of this information was downloaded from The Research and
-#'   Innovative Technology Administration (RITA). See
-#'   <http://www.rita.dot.gov/about_rita/> for details. The airport
+#'   Innovative Technology Administration (RITA). The airport
 #'   position information was collected from Wikipedia and other public
 #'   online sources.
 #' @keywords datasets

R/macaque.R

@@ -18,7 +18,7 @@
 #'
 #'   This dataset is licensed under a Creative Commons
 #'   Attribution-Share Alike 2.0 UK: England & Wales License,
-#'   see <http://creativecommons.org/licenses/by-sa/2.0/uk/> for details.
+#'   see <https://creativecommons.org/licenses/by-sa/2.0/uk/> for details.
 #'   Please cite the reference below if you use this dataset.
 #' @references Negyessy L., Nepusz T., Kocsis L., Bazso F.: Prediction of
 #'   the main cortical areas and connections involved in the tactile

R/yeast.R

@@ -61,6 +61,6 @@
 #'   Michael Cornell, Stephen G. Oliver, Stanley Fields and Peer
 #'   Bork. *Nature* 417, 399-403 (2002)
 #' @source The data was downloaded from
-#'   <http://www.nature.com/nature/journal/v417/n6887/suppinfo/nature750.html>.
+#'   <https://www.nature.com/articles/nature750>.
 #' @keywords datasets
 NULL

README.Rmd

@@ -22,7 +22,7 @@ options(pager = function(files, header, title, delete.file) {
 
 # Data sets for the igraph R package
 
-[![Linux build status](https://travis-ci.org/igraph/igraphdata.png)](https://travis-ci.org/igraph/igraphdata)
+[![Linux build status](https://app.travis-ci.com/igraph/igraphdata.png)](https://app.travis-ci.com/igraph/igraphdata)
 [![Windows build status](https://ci.appveyor.com/api/projects/status/6wov9hh8oprrpkhs?svg=true)](https://ci.appveyor.com/project/gaborcsardi/igraphdata)
 
 This is a data R package, that contains network data sets,
@@ -37,7 +37,7 @@ install.packages("igraphdata")
 ```
 
 You can install the development version from Github, using the
-[devtools package](https://github.com/hadley/devtools):
+[devtools package](https://github.com/r-lib/devtools):
 
 ```{r, eval = FALSE}
 devtools::install_github("igraph/igraphdata")

README.md

@@ -2,7 +2,7 @@
 
 # Data sets for the igraph R package
 
-[![Linux build status](https://travis-ci.org/igraph/igraphdata.png)](https://travis-ci.org/igraph/igraphdata) [![Windows build status](https://ci.appveyor.com/api/projects/status/6wov9hh8oprrpkhs?svg=true)](https://ci.appveyor.com/project/gaborcsardi/igraphdata)
+[![Linux build status](https://app.travis-ci.com/igraph/igraphdata.png)](https://app.travis-ci.com/igraph/igraphdata) [![Windows build status](https://ci.appveyor.com/api/projects/status/6wov9hh8oprrpkhs?svg=true)](https://ci.appveyor.com/project/gaborcsardi/igraphdata)
 
 This is a data R package, that contains network data sets, to be used with the igraph R package.
 
@@ -13,15 +13,15 @@ From CRAN:
 <pre class='chroma'>
 <span><span class='nf'><a href='https://rdrr.io/r/utils/install.packages.html'>install.packages</a></span><span class='o'>(</span><span class='s'>"igraphdata"</span><span class='o'>)</span></span></pre>
 
-You can install the development version from Github, using the [devtools package](https://github.com/hadley/devtools):
+You can install the development version from Github, using the [devtools package](https://github.com/r-lib/devtools):
 
 <pre class='chroma'>
 <span><span class='nf'>devtools</span><span class='nf'>::</span><span class='nf'><a href='https://remotes.r-lib.org/reference/install_github.html'>install_github</a></span><span class='o'>(</span><span class='s'>"igraph/igraphdata"</span><span class='o'>)</span></span></pre>
 
 ## Usage
 
 <pre class='chroma'>
-<span><span class='kr'><a href='https://rdrr.io/r/base/library.html'>library</a></span><span class='o'>(</span><span class='nv'><a href='http://igraph.org'>igraphdata</a></span><span class='o'>)</span></span>
+<span><span class='kr'><a href='https://rdrr.io/r/base/library.html'>library</a></span><span class='o'>(</span><span class='nv'><a href='https://igraph.org/'>igraphdata</a></span><span class='o'>)</span></span>
 <span><span class='nf'><a href='https://rdrr.io/r/utils/data.html'>data</a></span><span class='o'>(</span>package <span class='o'>=</span> <span class='s'>"igraphdata"</span><span class='o'>)</span></span></pre>
 <pre class='chroma'>
 <span><span class='c'>#&gt; Data sets in package 'igraphdata':</span></span>