Slight re-work to bower

- corrected issue with _.extend() overwriting default options on
  subsequent requests causing a complete refresh of bowercache directory
- corrected issue with GET v POST
- added some more logging
- removed hard-coded versions and references to #develop branch
Now specifying v1.1.n of components
Removed console.log()
Now defaulting to version 1.1.x of extensions
Minor logger change
Added missing return call
Merge pull request #567 from adaptlearning/bower-changes

Bower changes