Start new alpha version
Gemfile: update Blacklight to 3.7 and Rails to 3.2.8
Changes to begin bookmark support

- remove views that suppressed the bookmark controls
- add devise-guests gem to Gemfile
Add generated devise hoopla
Fix devise issue where sessions were not being properly destroyed
Cleanup after devise implementation/upgrading BL/Rails

- Generating a new app with Blacklight 3.7 and Rails gives you a bunch
  new tweaks in the helpers and controllers
- Remove old Rails scripts
- Migration, schema, etc. cleanup
CSS tweaks
Restore empty log files
Add rake task to remove all records from solr index

Cherrypicked from the following commits:

c803356c7b136c718537060d92f67f82b4bdf182
0e453a9d74950536e35b6ab0317da52199f8232c
aa5da03f589c7930d3e1876163951fd75b94051d
ed4cdeb839dd935ab8ec7fa25360c45c129c8114
Merge branch '0.2-alpha' of github.com:anarchivist/gumshoe into 0.2-alpha
Update blacklight-jetty submodule
Rakefile: add commit task and debugging info
Update indexer and BL config for fiwalk plugin output
hide some more cruft using CSS
Merge branch 'master' into 0.2-alpha
Merge branch 'master' into 0.2-alpha
ignore dev log
Update dependencies
Update Blacklight to 4.3; use new DFXML code; 0.3.x-alpha