#73 issue new sign-up flow UI part
Draw bugs and quick fixes
P0 items updates

1. MyStuff empty - then display hint (re-appeared), fixed, modified
SQLitePlugin.java, change static variable to class variable.
2. new sign-up flow, done
3. Draw bugs and quick fixes, fixed
P0 items-2

1. menu items always white/active
2. larger 'X'
make the server-url config-able
full list of server urls
P0 items-3

1. make draw menu items always black and active
2. enable anno in anno feature in create anno screen
3. read server url configuration from server-url.json
4. auto selecting proxy server when anno running in China
show loading indicator when getting user position
add geolocation plugin
remove android-support-v4.jar
Merge pull request #79 from usersource/UI-enhancements

Ui enhancements