Remove @EnableStrictI18N and @DisableStrictI18N.

This feature is provided by the linter included in AndroidStudio.
Remove @WithConstantInt and @WithConstantString.
Set ro.build.date.utc in ShadowSystemProperties.

Fixes #1251.
Merge pull request #1381 from erd/remove-unused-annotations

Remove deprecated annotations.
Merge pull request #1380 from erd/fix-issue-1251

Set ro.build.date.utc in ShadowSystemProperties.
Update ShadowMatrix.java

Add the Implementation mapRect method
Fix NPE in ActivityController.

Using ActivityController.withApplication(Application) results in an NPE
because the base context is null.

Ensure that the Application object has a base context and is bound to
the proper resources.
Merge pull request #1386 from noelmansour/with-application

Fix NPE in ActivityController.
Merge pull request #1383 from dotchere1/patch-1

Update ShadowMatrix.java.
Make Shadows package configurable.
Add asset directory configuration to Config annotation.

Fixes #1214.
Merge pull request #1387 from erd/config-assets-directory

Add asset directory configuration to Config annotation.
Merge pull request #1391 from kriegfrj/configure-shadows-package

Make Shadows package configurable
Support android 4.4.
Add webviewchromium build target for KitKat.
Move shadows into robolectric-shadows module.