Added getWallFront, getWallRight and getWallLeft methods that get the
distance in centimeters from the wall and improved isWallFront,
isWallRight and isWallLeft methods.
Merge branch 'master' of https://github.com/russellbaxt/iAndroid2014.git

Conflicts:
	src/org/wintrisstech/erik/iaroc/Lada.java
nothing
Merge branch 'master' of https://github.com/russellbaxt/iAndroid2014.git

Conflicts:
	src/org/wintrisstech/erik/iaroc/Lada.java
nothing
Merge branch 'master' of https://github.com/russellbaxt/iAndroid2014.git

Conflicts:
	src/org/wintrisstech/erik/iaroc/Lada.java
Merge branch 'master' of https://github.com/russellbaxt/iAndroid2014.git

Conflicts:
	src/org/wintrisstech/erik/iaroc/Lada.java
Commiting
Merge branch 'master' of https://github.com/russellbaxt/iAndroid2014.git

Conflicts:
	src/org/wintrisstech/erik/iaroc/Lada.java
Merge branch 'master' of https://github.com/russellbaxt/iAndroid2014.git

Conflicts:
	src/org/wintrisstech/erik/iaroc/Lada.java
	src/org/wintrisstech/erik/iaroc/Robot.java