Basic setup for cordova build (changed directory structure).
Storage abstraction.
Activate Cordova storage.

Searching for archives and titles already works, but decompressing an article
does not yet work.
Bugfix: Some browsers cannot transfer array buffers to the worker.
Updated mediawiki style file.
Bugfix for decoding escaped offsets.
Cleaned up visual presentation.
Suppress error messages when loading archive.
Added title iterator as preparation for infix search.
Random articles.
Merge pull request #66 from evopedia/cordova

Cordova port (requiring directory structure change) + style file update + random articles + title iterator