Merge pull request #545 from cfitz/master

Bookmarks Controller returns 200 w/ empty body (jQuery 1.9 )
Simpler tests
Merge pull request #547 from projectblacklight/better_testing

Replace the shell scripts for testing with rake tasks.
For jquery 1.9 you have to use .prop() to check a checkbox with a boolean
removed duplicate favicon link tag
Merge pull request #548 from dchandekstark/dup-favicon

removed duplicate favicon link tag
fix #549; add a :helper_method parameter for rendering facet field values (as with index and show fields)
use facet_display_value in render_facet_value
bump to 4.2.0
Fix issue w/ RefWorks exports of single documents.
Merge pull request #553 from jkeck/refworks_fix

Fix issue w/ RefWorks exports of single documents.
rewrite a facet helper spec so it can pass under rails 3 + 4
allow jruby + rails 4 to fail
fix travis allow_failures
fix allowed failure format.
bump rails4 gemfile to rails 4.0.0.rc1
remove duplicate named routes (which pointed to the same path anyway..)
Update rspec
Fixed test that was not running under rspec 2.12, but was failing under 2.13
Fixes for rails 4