initial commit for htmlInject feature branch
submodule
removed MathJax AuthorInit section, fixes https://github.com/readium/readium-js-viewer/issues/214
Merge branch 'develop' into feature/htmlInject

Conflicts:
	readium-sdk
added missing support for annotations.css injection in HTML documents
submodule
submodule
Merge branch 'develop' into feature/htmlInject

Conflicts:
	readium-sdk
isubodules
re-instated inadvertantly removed UI-Orientation (no idea why that changed in the first place), and restored original line break (minor cosmetic change).
removed NSURLCache, added "Javascript Executor" service (benefit: main logic remains in RDServices, basic app-specific WebView code in launcher iOS)
compile errors (sorry)
testing NSURLCache-free design...WIP
submodule
NSBundle payload is now provided as an NSData* by the app launcher (can be nil, in which case MathJax.js and/or annotations.css functionality will be disabled)
minor follow-up: ensure pointer references are set to nil
Use the updated RDPackageResourceServer interface.
Merge branch 'develop' into feature/htmlInject

Conflicts:
	readium-sdk
removed unnecessary (obsolete) comment
submodule