First version of complete UI for Tablet and Cellphones

Description: Both UI(table and cellphones) have the same appereance and
behavior

Commit: Mod

TaskNumber:#1
Merge branch 'ui' and refactoring

Conflicts:
	src/br/com/androidzin/pontopro/MainActivity.java
UI improvements: CountDown implementation approach

Description:
  - CountDown implementation approach. Change CountDownTimer for Handler + Runnable(more easier and more control)
  - Change UI, just one big clock to show the remaining worktime

Commit:Mod

TaskNumber:#1