Removing old Bootstrap 2.x files. Adding new Bootstrap 3 stylesheets.

Issue #269.
Ports accounts layout to Bootstrap 3.
Ports login form to Bootstrap 3.

Issue #269.
Fixes bogus bootstrap call.

Issue #269.
Moves email recover form to Bootstrap 3.

Issue #269.
Moves the login form to Bootstrap 3.

Issue #269.
Makes the default layout visible again (this will change soon but not now)

Issue #269
Makes Glyphicons work.

Issue #269
Brings the dashboard back to life.

Issue #269.
Ports the articles listing to Bootstrap 3.
Revamps the filterings.

Issue #269.
Reindents the html.

Issue #269
Moves feedback management to Bootstrap 3.

TODO:
* fix comment state change behavior (see issue #275).
* comment in a ? state should have both spam and ham choices (see issue #276)

Issue #269
Adds icons back on feedback title.

Issue #269.
Moves categories to Bootstrap 3. Ensures button with a create / update action are green.

Issue #269.
Ports tags listing to Bootstrap3

Issue #269
Fixes indent and line break

Issue #269
Ports articles types to Bootstrap 3.

Issue #269
Ports redirect to Bootstrap 3.

Issue #269
Ports notes to Bootstrap3

Issue #269.
Moves pages listing to Bootstrap3.

Issue #269.
Moves admin/cache to Bootstrap3.