Update to #259 - Improve build server performance by allowing disabling of pre-dexing (see http://tools.android.com/tech-docs/new-build-system/tips#TOC-Improving-Build-Server-performance.)
Merge pull request #267 from CUTR-at-USF/issue259-OptimizeBuildServer

Update to #259 - Improve build server performance by allowing disabling ...