Update README.md
* cute icon based on osm logo
XML spaces -> tabs
Merge branch 'master' into HEAD
* change from sketch to Android 4 ActionBar with Fragments. Moved
start/stop functionality to menu, only 1 button left in UI. 
Does not work on Androids <3.0
* switch to ActionBarSherlock (now repo can not be built without
downloading ActionBarSherlock library). Tested on Android 2.2. Looks
good
+ added flow layout, could be of use
+ Started work on Buttons layout
* buttons can be created on the fly
* flow layout is fixed size
* polish button size
+ buttons in buttonui now add real pois into session
* better session saving and starting (menu enables/disables items
accordsingly)
+ added ACCESS_FINE_LOCATION permission
* icon polish
* rework button UI, now it looks good
* POI list is improved with colors and timestamps
* started work on GPS support
* lowered minApiVersion to 7
* fixes to layout - dark color scheme for poi list, buttons of size
150px for each device (seems to work for now, but it's a temporary
measure)
last minute fix, small screens get 100px buttons
* rework of data classes
* more stable Hardware.canGPS
+ Log.w support
+ Introduced SessionManager interface for Activity
+ Basic preset functionality. Buttons are created according to presets
* polish layout for landscape tablet, and backport changes into phone
layout. Now the screen is divided by percentage (layout_weight) not by
absolute size