Allow specifying manifest, res, and assets via system property.

This is needed when other tooling bootstraps the test running.
Fixed activity theme handling in RobolectricPackageManager leading to IllegalStateException for style not being fully qualified. Fix is based on similar code on org.robolectric.shadows.ShadowActivity
Fixed formatting
Added Tests for ShadowToast
Merge pull request #731 from Jearil/master

Implement TestWebSettings#setDatabasePath and #setRenderPriority
Merge pull request #642 from robolectric/jw/sysprop

Allow specifying the manifest path via a system property.
Merge pull request #732 from SuperJugy/ToastTest

Added Tests for ShadowToast
Implements shadow method to record Canvas#drawCircle(...) events.
Adds final qualifier for shadow canvas history events.
Merge pull request #736 from aweber/shadow-canvas-draw-circle

Implements shadow method to record Canvas#drawCircle(...) events.
Fix qualifier order per JLS for ShadowCanvas inner class members.
Merge pull request #739 from aweber/shadow-canvas-draw-circle

Fix qualifier order per JLS for ShadowCanvas inner class members.
Add additional support for unregistering listeners in ShadowSensorManager
Add ShadowIntentService
Add tests for ShadowIntentService
Add "is "accessor to referenceCounted in ShadowWakeLock

- Also make getLatestWakeLock static since you don't need an instance.
- Add the ShadowWakeLock to the shadowOf method list.
Add test for ShadowWakeLock
Merge pull request #740 from nimeacuerdo/master

Add additional support for unregistering listeners in ShadowSensorManager
Merge pull request #741 from SuperJugy/ShadowIntentService

Shadow intent service
Merge pull request #742 from SuperJugy/ShadowWakeLock

Add "is "accessor to referenceCounted in ShadowWakeLock