1. add intro/feedback menu;
2. add intro flow when by selecting intro menu.
1. anno in anno from community is 2-level now.
1. change anno home menu label from 'Quick Start' to 'Intro';
2. change anno home menu to 'Intro', 'Feedback' and 'Settings'.
detect 4 spiral gesture and increase accuracy.
Merge branch 'community_level'
Merge branch 'gesture'
merge CommunityActivity.java
Merge pull request #18 from david-kennan/master

revised gesture file clockwise spiral one loop inward
merge gesture.
update for Create "feedback" help page #20 issue
1. add back permissions; 2. change 'sync server url' to 'server url'
Merge pull request #23 from topcircler/master

Add back permissions.
update latest manifest
Add anno-gesture support to Intro and Feedback (#25)
Use List Preference to set server url in settings.
Merge remote-tracking branch 'upstream/master'
Merge pull request #29 from topcircler/master

Set Server URL using ListPreference
merge AndroidManifest.xml
1. change (x%,y%) to use circle center.
Merge remote-tracking branch 'upstream/master'