Changed "password" tab to "security".
Merge branch 'master' into password-refactor
Begin the password refactor.
Fixed error (was done for debugging purposes).
Some changes:
 * Changed password generator, using the same procedure as the signup.
 * Added a password_length parameter to customize the password length.
 * Cosmetic changes in the UI of the security tab.
Merge remote-tracking branch 'origin/master' into password-refactor
Changed password change form to a modal dialog. Also cleaned
pwstrength code.