Release Candidate

Config:

• blendConfigs: watchBlender, shimBlender & build: optimize specs
• watchBlender for after, before,files`

Build:

• calcRequireJsConfig neededDeps, strictDeps, shim
• fixed: hasErrors should not be a cached prop

Bundle:

• loading dependencies.shim from bower paths
• fillDepsPaths() after all RCs

ResourceConverter.convert(fileResource, callback) accepts a promise returned, uses When.race for promise|callback
urequire exports 'dependenciesBindingsBlender', 'templateBlender', 'shimBlender', 'watchBlender'
urequire.addBBCreated & findBBCreated

afterBuild throw errors handled gracefully