Add support for editing static resources (js files,...) in place

Signed-off-by: Alin Dreghiciu <adreghiciu@gmail.com>
Revert unwanted changes to CapabilitiesPanel.js

Signed-off-by: Alin Dreghiciu <adreghiciu@gmail.com>
Merge remote-tracking branch 'origin/master' into edit-js-in-place-poc
Merge remote-tracking branch 'origin/master' into edit-js-in-place-poc
Merge remote-tracking branch 'origin/master' into edit-js-in-place-poc
Merge remote-tracking branch 'origin/master' into edit-js-in-place-poc
Merge remote-tracking branch 'origin/master' into edit-js-in-place-poc
Merge remote-tracking branch 'origin/master' into edit-js-in-place-poc
Merge remote-tracking branch 'origin/master' into edit-js-in-place-poc
Merge pull request #113 from sonatype/edit-js-in-place-poc

POC: Make possible to edit js in IDE and have changes reflected in running Nexus