Merge pull request #36 from readium/feature/epub-module-refactoring

Feature/epub module refactoring
Added single (BSD) license to all the JS source files
Merge branch 'release/0.14' into develop
Updated dependency
Merge branch 'develop' into feature/epub-module-refactoring
Elimination of SMIL parser's dependency on readium-js specific data.

The SMIL parser no longer makes use of the readium-js - specific
package document JSON data structure.