Revert "Added support for checkCallingPermission() to ShadowContext. Always just grants the permission."

This reverts commit 1c91e91f5dda4f0af1d7a3cd0c0a5f6a53ab2180.
Merge pull request #455 from kurganec/master

Parse android:versionCode and android:versionName from AndroidManifest.xml
add failing test

- specify the requirements in test class
fix FileNotFoundException(AndroidManifest.xml)

- @RunWith(TestRunners.WithDefaults.class) instead of @RunWith(RobolectricTestRunner.class)
make it work

- implement FragmentTestUtil#startFragment by referencing org.robolectric.shadows.DialogFragmentTest
fixed Url issue
- trying to get this working on Unix
reproducing NPE exception with checkCallingPermission
- url composing for Maven artefact was moved to org.robolectric.util.Util class
- added test for Util class and url method
Fixed checkCallingPermission() problem
- very strange constructor behavior
Merge pull request #458 from acc15/fix-url

fixed Uri issue
Merge branch 'master' of git://github.com/pivotal/robolectric
Fix gradle build. One test still fails.
Rearrange DocumentLoader.
Merge pull request #460 from roman-mazur/gradle-build

Sync build.gradle with pom.xml
Merge pull request #457 from msbaek/FragmentTestUtil

I want to add FragmentTestUtil
Fix resource loading perf regression, add perf debugging.
Better perf debugging.
Switch to vtd-xml for resource loading for a 83% perf boost.