introduced iframe loader
cleanup config
Exposed readers CONTENT_DOCUMENT_LOADED
updated dependency
upupdated dependency
Added a missing dependency
Merge pull request #5 from ryanackley/develop

Added a missing dependency
shared-js dependency update
shared-js dependency
shared-js dependency update
Changes to get table of contents working in readium-js-viewer
Merge remote-tracking branch 'origin/develop' into new-develop
Expose getToc method in packageDocument.
Merge pull request #6 from ryanackley/develop

Changes to get table of contents working in readium-js-viewer
resolving URL in progress
in progress
retreaving ibook properties in packaje document parser
Embedded fonts support for zipped EPUB and related changes:

* transitive stylesheet imports (@import rules) fetching logic
* parsing and fetching of URL resource references in fetched stylesheets
* switch to fetching stylesheets as text instead of binary blobs
* initial implementation of a resource caching submodule
* fixes to error handling in the epub-fetch module
* support for fonts deobfuscation in line with META-INF/encryption.xml
Merge branch 'develop' into feature/web-annotations

Conflicts:
	epub-modules/Readium.js
	epub-modules/epub-renderer/src/readium-shared-js
	epub-modules/epub/src/models/package_document.js
	rjs_require_config.js
Fix merge artifact.