Move karaage-common to here.

Change-Id: If512e56040d0594b48b799e30d137f5f733cf28e
Prepare to release 2.7.7-2.

Change-Id: I699c8e000ddcbd3416b3c81ac54cfc01f604812e
Fix captcha test.

Change-Id: I39fa45d01bcc445152aee783162e1ca03759babd
Add staticfiles to tests.

Change-Id: I4085bbd0d5cfaa360fa5f2c40e9d7b5297c9ab4d
previous_page_number fails, comment it out

previous_page_number fails for page == 1, as there is no previous page.

Also comment out next_page_number.

These are legacy values inside legacy code.

Change-Id: Ic291a313c6faa050daefd8bc27a3bc7721bd5f00