Fix PEP8 issues, rm unused import & deprecated .has_key().

- Fix some PEP8 issues;
- Remove an unused import;
- Replace the usage of the deprecated method
.has_key() with 'in'.
Rename the save query flash messages & give queries table a format.

- Rename the save query flash messages from 'saved
query as <query id>' to 'saved query <query name>';
- Add a format attribute to the queries table.
Simplify page titles.

- Use controller's function names as default title;
- Remove all message variable titles from controller functions;
- Remove all title declarations (<h1>Title</h1>, <h2>Title</h2>) from the views;
- For title's that don't match the default: put title declarations in controller functions as 'response.title = T("Title")';
- Move the Passage browser subtitle to the controller;
- Make the original title (masthead) visible again in the layout.html view.
Add Hebrew fonts & markup Hebrew text with these fonts.