Don't show a password reset button for Persona accounts

Dependencies

• [2] GTXYNFUK Merge branch 'master' into persona
• [3] XJRJ4J7M Add user registration
• [4] JARRBLZD Bootstrapify the Hydra forms (except the project and jobset edit pages)
• [5] LSZLZHJY Allow users to edit their own settings
• [6] CGVKJQPI Show a user's roles in the preferences page
• [7] 2G63HKCH Fix some wellformedness issues
• [*] SZYDW2DG hydra: added some user admin

Change contents

• replacement in src/root/user.tt at line 76
  [3.6586]→[2.366:491](∅→∅)
  − <select multiple="multiple" name="roles" class="span3" [% IF !c.check_user_roles('admin') %]disabled="1"[% END %]>
  [3.6586]

  [3.6641]
  + <select multiple="multiple" name="roles" class="span3" [% IF !c.check_user_roles('admin') %]disabled="disabled"[% END %]>
• replacement in src/root/user.tt at line 104
  [3.7453]→[3.5593:5647](∅→∅)
  − [% IF !create && c.check_user_roles('admin') %]
  [3.7453]

  [3.5647]
  + [% IF !create && c.check_user_roles('admin') && user.password != '!' %]