Merge changes I62732a9b,I63d0ec79,I5ae684f5,Ie3a8847f,I0fac5745 into studio-1.4-dev

* changes:
  android/build: Add support for Qt 'moc' and 'rcc' tools.
  android-rebuild.sh: Copy Qt shared libraries into $OUT_DIR/<lib>/qt/
  android/scripts/build-qt.sh: New build script for Qt libraries.
  PACKAGES.TXT: Add a rule to donwload the Qt 5.4.2 sources.
  download-sources.sh: Add support for SVN, BASENAME and DSTDIR fields.