Increment version to v2.1.2.SNAPSHOT
Decrease minSdkVersion to API level 8
Local AAR publishing

* Snapshot build version formatting updated to use Maven's expected
  -SNAPSHOT rather than .SNAPSHOT
* Get corelib SDK version number from BuildConfig
* Use installArchives task for publishing corelib and deeplink auth lib
  AAR artifacts to local maven repo
Increment version to v2.1.2

* Adds compatibility back to Android 2.2
* Adds AAR local and remote publishing support
Increment version to 2.1.3-SNAPSHOT
[LU-1] Fix gradle properties for parent projects
[LU-32] Doc updates for Maven Central AAR usage

* Ignore ohmyzsh Gradle taskname cache file
* Reorder some of the documentation to be clearer