Fix getInstrinsic{Width,Height} when using resources

Also make sure we only use the error/errorResource width/height when an
error has occurred.
Improved ant build instructions.
Added instructions for Eclipse setup.
Merge pull request #119 from hborders/ant_build_instructions_ANDROID_HOME

Improved ant build instructions.
Merge pull request #120 from hborders/eclipse_instructions

Added instructions for Eclipse setup.
Merge pull request #113 from soundrop/fix/drawable-instrinsics-query

Fix getInstrinsic{Width,Height} when using resources
Clean up loading of error resource.
Typo. Sorry.
Merge pull request #122 from hborders/ant_build_instructions_ANDROID_HOME

Fixed a typo in the ant build instructions.
Merge remote-tracking branch 'koush/master' into cm-11.0