restyle pencil icon for table inline edit

You can see this in Admin > Projects table.
Small bug after the Bootstrap 3 merge.

Change-Id: I81b136a99e9e8584d1bb8121aef23006d0fd20c8
Closes-Bug: #1349600
Make source fields required for 'Create Volume' form

Raise an error message when 'Volume Source' field has been
changed to 'Image', 'Volume' or 'Snapshot' but no actual
image/volume/snapshot has been selected.

Closes-Bug: #1348760

Change-Id: I2d864c78ba2f5bce55f6fe77075ea6dd848f0f6a
Merge "Make source fields required for 'Create Volume' form"
Merge "restyle pencil icon for table inline edit"