Update .gitignore

Author: lukespragg

.gitignore

@@ -1,48 +1,45 @@
 ## Ignore Visual Studio temporary files, build results, and
-## files generated by popular Visual Studio add-ons.
+## files generated by popular Visual Studio add-ins.
 
-# Build results
+# Build output
+[Bb]in/
 [Dd]ebug/
 [Dd]ebugPublic/
+[Oo]bj/
 [Rr]elease/
 [Rr]eleases/
-x64/
-x86/
 build/
 bld/
-[Bb]in/
-[Oo]bj/
+x64/
+x86/
 
-# MSTest test Results
+# Build testing
+## MSTest
 [Tt]est[Rr]esult*/
 [Bb]uild[Ll]og.*
+## NUnit
+*.VisualState.xml
+TestResult.xml
 
-# Others
-*.[Cc]ache
-ClientBin/
-[Ss]tyle[Cc]op.*
-~$*
-*~
-*.dbmdl
-*.dbproj.schemaview
-*.pfx
-*.publishsettings
-node_modules/
-bower_components/
+# NuGet packages
+*.nupkg
+**/packages/*
+!**/packages/build/
+!**/packages/repositories.config
 
-# ReSharper
-_ReSharper*/
-*.[Rr]e[Ss]harper
-*.DotSettings.user
+# Project-specific files
+.deploy
 
-# Roslyn cache directories
+# Roslyn caches
 *.ide/
 
 # User-specific files
+.idea/
+*.sln.docstates
 *.suo
 *.user
 *.userosscache
-*.sln.docstates
+*.userprefs
 
 # Visual C++ cache files
 ipch/
@@ -52,15 +49,20 @@ ipch/
 *.sdf
 *.cachefile
 
-# Visual Studio profiler
+# Visual Studio
+.vs/
 *.psess
 *.vsp
 *.vspx
 
-# Visual Studio 6 build log
-*.plg
-
-# Visual Studio 6 workspace options file
-*.opt
-
-.deploy
+# Visual Studio add-ins
+## DotCover code coverage tool
+*.dotCover
+## JustCode add-in
+.JustCode
+## ReSharper add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+## TeamCity add-in
+_TeamCity*