Increase the maximum javac heap size.

Java 7 needs more memory when you run some annotation tools.

Change-Id: Ia8b423244b9ce164500b24867fe2b3d10a5089ff
Increase the maximum javac heap size again.

Change-Id: Ic3422650ea22977f3dcfd74505cb287ff6543c2d
Add "-encoding UTF-8" option to javadoc.

This fixed docs build on Mac OS X 10.9 with Java 7.
Change-Id: I91e224456c9e6c43dbf13d691c3b37d21f94b0f3
build: recovery: Support target specific resource selection

 * Allow resources matching the target screen width to override the
   default resources.
 * Allow overriding screen width for recovery.

Change-Id: I979b6e74cfd1fe66c798de02bcd908d22731494a
allow to set tool extensions specified by vendor

Change-Id: Ibbdbd539fa23054ac7f4311afa93cc9e18c845b5

Conflicts:
	core/Makefile