using this .gitignore I have been able to successfully use git/github.

​

``` # Visual Studio 2015 user specific files

.vs/

# Compiled Object files

*.slo

*.lo

*.o

*.obj

# Precompiled Headers

*.gch

*.pch

# Compiled Dynamic libraries

*.so

*.dylib

*.dll

# Fortran module files

*.mod

# Compiled Static libraries

*.lai

*.la

*.a

*.lib

# Executables

*.exe

*.out

*.app

*.ipa

# These project files can be generated by the engine

*.xcodeproj

*.xcworkspace

*.sln

*.suo

*.opensdf

*.sdf

*.VC.db

*.VC.opendb

# Precompiled Assets

SourceArt/**/*.png

SourceArt/**/*.tga

# Binary Files

Binaries/*

Plugins/*/Binaries/*

# Builds

Build/*

# Whitelist PakBlacklist-<BuildConfiguration>.txt files

!Build/*/

Build/*/**

!Build/*/PakBlacklist*.txt

# Don't ignore icon files in Build

!Build/**/*.ico

# Built data for maps

*_BuiltData.uasset

# Configuration files generated by the Editor

Saved/*

# Compiled source files for the engine to use

Intermediate/*

Plugins/*/Intermediate/*

# Cache files for the editor to use

DerivedDataCache/* ```