Adds all Ancient World Mapping center tiles as base layer options.
Adds isBaseLayer flag to AWMC layer definitions.
Just include the AWMC base map for now, until the pipine is in place for the overlays.
Swaps out Chosen for Select2 on exhibit add/edit form.
Revert "Swaps out Chosen for Select2 on exhibit add/edit form."

This reverts commit 5b4aba56eee2aeae2fdbada12a414f56c9039d14.
Adds isBaseLayer attributes to the layer definitions.
Removes the isBaseLayer attributes on the layer definitions, since they aren't being used yet.
Upgrades to Jasmine 2.0 / jquery-jasmine 2.x, fixes everything except for the item selection tests.
Gets rid of uses of waitsFor() and runs() in Jasmine suite, which were removed in v2.0.
Simplifies the radio/checkbox toggling in the Jasmine suite.
Fixes false-negative Jasmine failures in Firefox casued by FF-incompatible checkbox/radio toggling commands.
Gets rid of unnecessary navigation to empty route when starting the editor in the Jasmine suite.
Re-implements the grunt bower task, now that we don't need to use an older version of bower.
Implements the grunt-phpunit task.
Gets rid of the grunt-shell task.
After adding a 'select2-loading' event to a fork of Select2, gets rid of the crufty / fragile setTimeout's in the select item Jasmine tests.
Changes plugins.ini -> plugins.json, don't install Neatline by default.
Scrubs out placeholder jasmine.json file.
In the install-plugin-or-skip PHPUnit helper, re-install every time, instead of checking to see if the plugin is active.
Adds failing test for items controller ACL.