Integrate rails engine support to the bootstrap generator. Detect if
generator was run from a rails engine and if so extract the name and use
if to locate the proper javascript directory.
Merge pull request #242 from duggiefresh/master

Add appraisal for ember rc7
Merge pull request #239 from jmflannery/master

Rails engine integration
prepend source URI and fetched date when using install generator.
Merge pull request #244 from eccegordo/master

prepend source URI and fetched date when using install generator.
Update README to reflect rc7

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