Merge branch 'master' of https://github.com/JuliaRobotics/DistributedFactorGraphs.jl.git into jt/develop

Author: Affie

.travis.yml

@@ -10,6 +10,7 @@ julia:
     - 1.0
     - 1.1
     - 1.2
+    - 1.3
     - nightly
 
 notifications:

src/FileDFG/services/FileDFG.jl

@@ -137,7 +137,10 @@ function saveDFG(dfg::G, folder::String) where G <: AbstractDFG
     end
 end
 
-function loadDFG(folder::String, iifModule, dfgLoadInto::G=GraphsDFG{NoSolverParams}()) where G <: AbstractDFG
+function loadDFG(folder::String,
+                 iifModule,
+                 dfgLoadInto::G=GraphsDFG{NoSolverParams}()) where G <: AbstractDFG
+    #
     variables = DFGVariable[]
     factors = DFGFactor[]
     varFolder = "$folder/variables"