Google Play Services library update.
Using new setIcon method to change the drone marker icon.
GUI: Starting to extract all dronemarker methods to a new class
GUI: fixing some problems with the DroneMarker class.
GUI: Removing some code duplication on the DroneMarker Class
Merge branch 'master' into newMaps
Quickfix so the project compiles with the latest version of ADT
Handling baudrate preference in a better way.

If this preference does not exist it should default to 57600.
Merge pull request #127 from arthurbenemann/issue53

I haven't tested the code in a device, but I'm sure the modification works. I'm merging it now, if it gives any problem on master we can fix it later.
Typo Error

Just a typo error. I didn't feel like doing a new branch so the com mit is in master
Changes to get it run in my dev enviroment
Smoothed Launcher Icon
Issue129 Implemented volume control on Phones
Refactoring commom code to supertype.
add AntiAlias to the pitch scale
Added option to keep the screen bright
Stub for the Portuguese Translation
Update strings.xml
Merge pull request #140 from fpvcuritiba/Portuguese_Translation

Translated to Portuguese-BR
Merge pull request #139 from arthurbenemann/Portuguese_Translation

Portuguese Translation