InlineEdit: Add edit/review mode to the file table

Add edit/review mode buttons to the header of file table to switch between
edit and review mode. In review mode reviewed checkbox is put in front of
file name. In edit mode the checkboxes are replaced with edit buttons.

In this change only "not yet implemented" alert is shown if edit button is
clicked. In follow up change cm3 popup dialog with the file content will be
opened.

Change-Id: I2c3201921c53b07abb9fe19dc3152b2eabd640a4
6 files changed