Merge pull request #46 from nhart/7.x

use metadata hooks in book info. left original code as a fall back
Use less hackery.
Merge pull request #47 from jordandukart/7.x

Use less hackery.
Changed xpath expression to read as //mods:mods[1].
Fixed an issue with jquery dependancies in IAViewer.
Fixed null check in conditional statement.
Cleaned up coding standards.
added required js library with specified weight, instead of using the js_alter() hook.
changed the order of jq loading, and added a minified jqui to match the jquery version.
Document the oddness that is the jquery dependancies in bookreader.
updated file docs in js.
Merge pull request #49 from MorganDawe/7.x.jquery_IAViewer

7.x.jquery ia viewer
Make sure that the bt code is available both inside and out of noconflict mode.
Be consistent inside comment. [skip ci]
Merge pull request #50 from adam-vessey/7.x-INT-205

Make sure that the bt code is available both inside and out of noconflict mode.
Keep track of our noConflict'd jQuery, so we can refer to it.
Merge pull request #51 from adam-vessey/7.x-ISLANDORA-942

Keep track of our noConflict'd jQuery, and refer to it.
Update islandora_book_reader.js

Change image format from PNG to JPEG
Merge pull request #52 from giancarlobi/patch-1

Update islandora_book_reader.js
Use our own custom collapse.js to deal with IABR misuse of the URL anchor.