added start play session API to handle "app start" and "app close" time frames
game sessions (now units of analysis) can be treated as levels
Merge pull request #8 from GlasslabGames/develop

added start play session API to handle "app start" and "app close" time ...
removed symlink to library file
Merge branch 'develop' of https://github.com/GlasslabGames/GlassLabSDK-cpp into develop

# By Ben Dapkiewicz
# Via Ben Dapkiewicz
* 'develop' of https://github.com/GlasslabGames/GlassLabSDK-cpp:
  added start play session API to handle "app start" and "app close" time frames game sessions (now units of analysis) can be treated as levels
  adding unity sdk back to plugins
  removing SDK from unity plugins
  user settings
  using consistent version scheme with cpp SDK version 1.3.0 now released
  up to date SDKs updated the cpp sample to include separate thread

Conflicts:
	examples/unity/Assets/Plugins/iOS/libGlasslabSDK.a
updated sample with TEST and Test Game values
Merge commit 'abf8c67ed03b4f3dd4c08d3a9d89b30c9a3d772c' into develop
Merge branch 'release-candidate' into develop
Fixed incorrect setting of gameSessionEventOrder, added preliminary
Preliminary multithreaded SDK (not fully functional)
requestType causes errors when moving up in version - added the requestType default in the corecallbackmap so we always know the value in those cases
Made HTTP Get requests asynchronous
Merge branch 'develop' of https://github.com/GlasslabGames/GlassLabSDK-cpp into develop

# By Ben Dapkiewicz
# Via Ben Dapkiewicz
* 'develop' of https://github.com/GlasslabGames/GlassLabSDK-cpp:
  requestType causes errors when moving up in version - added the requestType default in the corecallbackmap so we always know the value in those cases
1.5.0 with updated readme on web views
Merge pull request #9 from GlasslabGames/develop

Develop
Merge pull request #10 from GlasslabGames/release-candidate

Release candidate
updated libs
Merge pull request #11 from GlasslabGames/develop

updated libs
Merge pull request #12 from GlasslabGames/release-candidate

Release candidate