Update bus lines 15, 61 & 168

git-svn-id: http://montrealtransit-for-android.googlecode.com/svn/trunk@784 70aa8380-c310-11de-8ec6-755e00613368
Add bike station availability in bike tab.
Sort subway stations and bike stations in favorites tab.
Now showing all subway lines service disruption message (with color).
Improve compass update efficiency.
Re-use same adapter instead of a new one.
Fix random POI shown as closest when no location available.
And more...

git-svn-id: http://montrealtransit-for-android.googlecode.com/svn/trunk@785 70aa8380-c310-11de-8ec6-755e00613368
bump DB version to 21

git-svn-id: http://montrealtransit-for-android.googlecode.com/svn/trunk@786 70aa8380-c310-11de-8ec6-755e00613368
disable linkify (never useful, mostly broken)

git-svn-id: http://montrealtransit-for-android.googlecode.com/svn/trunk@787 70aa8380-c310-11de-8ec6-755e00613368
Version 1.7.6.2

git-svn-id: http://montrealtransit-for-android.googlecode.com/svn/trunk@788 70aa8380-c310-11de-8ec6-755e00613368
Fix crash (OutOfBoundException)

git-svn-id: http://montrealtransit-for-android.googlecode.com/svn/trunk@789 70aa8380-c310-11de-8ec6-755e00613368
Tweak shake sensibility (was triggered unintentionally in the bus) 

git-svn-id: http://montrealtransit-for-android.googlecode.com/svn/trunk@790 70aa8380-c310-11de-8ec6-755e00613368