Update Preprocessor Ember for Ember 1.0.0 pre 4
upgrade to handlebars-1.0.rc.2.js
Merge branch 'issue658' into 1.6.x
Merge branch '1.6.x' into issue628
use logback library & improve TypeScriptCompiler error log
Merge remote-tracking branch 'origin/issue628' into issue628
move all default initialization of WroManager to Builder