Much faster table of contents.

Fixes issue with toc jumpiness near bottom of articles.

Fix for web view scroll delay.

Much better handling of TOC show/hide swipe.

Now angle and speed of swipe is tunable. Works better with
html tables which have overflow x scrolling also.

Fixes for mutate-while-iterating bugs.

Change-Id: I06debfb01baad1bf03ed1cf6c9af41f0a835e56e
Manual import of translations from TWN

Change-Id: I2423fe3519ecbe16ba197a49c78196fbcca58568
Single generator search query returns both results and thumb urls.

Faster thumbnail image display.

Fixes iOS 6 lockups when quickly typing search term.

Fix for search thumbnail sometimes not being associated with
article record.

Change-Id: If94d4008b84db0e650415ee902be1bdee94b4159
Merge "Manual import of translations from TWN"
Nearby entry in main menu.

Includes pull to refresh, titles, distance and thumbnails.

Distances update in real-time as you walk around.

Long-press item to open in Maps.

Direction arrows pointing to geo-coords of article.

Refactored thumb retrieval - no more stutter.

Nearby images now larger and round. Arrow moves around image.

Capitalized "Maps".

Now shows in meters or feet appropriately.

Only shows arrows if device can supply heading data.

Change-Id: I866e95978d0e369a826fb7164c55cb954fcdc80c
No more flaky worker context.

Change-Id: I7dc46634df9f5b006f0bfed57cd202e600ea6df0
Moved save icon to bottom chrome.

Also new 2 state toc icon.

Change-Id: I6b020e7abab8ca4ea5ddc4266c4a11e1accb6a61