CB-7881 Android tooling shouldn't lock application directory

Close #130
Close #137 (already merged).
Close #126 (not-a-problem)
CB-8147 Have corodva/build warn about unrecognized flags rather than fail

Close #127
Fix syntax error in 3aca14d53068
CB-8079 Use activity class package name, but fallback to application
package name when looking for splash screen drawable

Close #136
Merge branch 'master' into 4.0.x (adb CWD & build --unknown-flag)

Conflicts:
	framework/src/org/apache/cordova/SplashScreenInternal.java