edit to doc
Removed breadcrumbId from everything and added idfa and idfv to all event calls
Default userId to IDFA if one isn't set
Incremented version number
Update README.md
Only change IDFA and IDFV if we're passing non-nil values.
If IDFA is not available, rely on the previously cached user ID if it exists. This is strictly for iOS 5 and below users.
Clean up project file
Update README.md

Removed all references to setTestMode since that is deprecated
Merge pull request #7 from farmcp/readme-edit

edit to doc
Adding Test Device info
Removing link.
Fixed bug where new sessions were not getting created after long periods of user inactivity
Moving push notifications and rich data callbacks documentation to the wiki
Moving push notifications and rich data callbacks documentation to the wiki
Condenscing summary text
Fixing link in docs
Fixing link in docs
Fix build setting - seeing what travis says about this
Try the default scheme for travis