Fixing an API removal from Crittercism's SDK.

Not sure when this changed, but as of 4.1.1, +setEmail: doesn't exist.
Merge pull request #33 from kreeger/crittercism-fix

Fixing an API removal from Crittercism's SDK.
Add Localytics start/stop events
bump version
Merge pull request #34 from jhersh/m.localytics-events

Add Localytics start/stop events
add HeapAnalytics as subspec
add external constant for heapAppID
add HeapAnalyticsProvider.{h,m}
import heapAnalytics provider in ARAnalyticsProviders
declare and implement setupHeapAnalyticsWithApplicationID:
implement initWithIdentifier:
add user property and event methods
call setupHeap in setupAnalytics
bump version
update changelog / self praise
add external constant for heapAppID
declare and implement setupHeapAnalyticsWithApplicationID:
fix a small rebase fail