adds support for setting a custom provider config blob, with which the set of providers is composed
redefines accessor for set of authentication provider names to be the composition of the engage auth providers with the custom auth providers
rerolled custom provider config to be like mobile_config* to allow easier future dash integration, fixed provider friendly name display
removes dead code, configurable rpx domain, fixes attribution bar animation to work on 4" iphone
trims dead code, fixes start url construction bug
adds example custom OpenID provider to default config
adds test icon
demo file structure cleaning
adds saml_test to default config
proofs and edits to Engage-only doc, import from website doc, removes some irrelevant doxygen docs stuff from the Xcode project
adds custom-provider integration guide
moves file to correct spot
improves sample icon filename
couple typo~ fixes to the custom provider doc
Doc updates
fixed a file derp
fixed project file's ref to custom provider doc
fixes sample provider id in custom provider guide
Merge in custom button feature branch
RN for 3.1