Added Backgrounding to the android makefile.
https://github.com/openpeer/opandroid/issues/145
Added Account test to Sample app. Fixed stack wires.
https://github.com/openpeer/opandroid/issues/140
Account and Identity login completed.
https://github.com/openpeer/opandroid/issues/138
https://github.com/openpeer/opandroid/issues/141
https://github.com/openpeer/opandroid/issues/142
Fixed OPCache wires.
https://github.com/openpeer/opandroid/issues/144
Updated gitignore file. added eclipse core prefs
Merge branch 'feature-20140313-jni-stabilization' into 20140204-federated-android