Removed multiple inspector support from the environment view.
Merge pull request #157 from hatched/remove-multiple-inspector

To QA
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To exploratory qa opening/closing the inspector, deploying charms, changing tabs etc to make sure that it still works correctly.
Converted charmDetails viewlet into a Y.View.
Made appropriate changes to the inspector viewlet manager factory.
Fixed bug in databinding for Y.View support.
Fixed tests for charm-details view conversion
Destroy the charm details view in it's test suite
Merge pull request #159 from hatched/charm-details-to-view

__To QA__
Deploy a service using various methods, open the charm details panel, make sure it all works.