Merge pull request #172 from BlythMeister/MyBetaVersion

Fix for #171.  Readd the style attr back into compose tweet.
Enable JS on Twitter and App.net auth, enable new App.net auth flow.
Making dashclock description accurate.
Add ability to autocomplete after a period (or fullstop, if we must ;) Issue #179
Cache first 250 followers for autocomplete when loading. Issue #179
Updated changelog #144
Correct misspellings.
Added app.net signup release note.