<code>/<tt> elements should wrap since they're used inline
Prevent default drag/drop action.
Merge pull request #1279 from willglynn/code_wrap

<code>/<tt> elements should wrap since they're used inline
Merge pull request #1283 from halfdan/prevent-drop-event

Prevent default drag/drop action.
Replace cookieSession with session

closes #1230
- change cookieSession to session
- added session.regenerate for login and logout
- added bookshelf session store
- added session table to database
- added migration to databaseVersion 001
- fixed bugs in migration
- changed tests