Switched to Arduino 1.5.6-r2 (new libraries have to be used when aREST shall compile) & Eclipse Arduino 2014-09-06_02-06-03

Signed-off-by: Dieter Niklaus <dieter.niklaus@gmx.net>
Updated workspace/.metadata.zip

Signed-off-by: Dieter Niklaus <dieter.niklaus@gmx.net>
UltrasonicSensor still creates trouble (see https://github.com/ERNICommunity/lintilla-embedded/issues/1), temporarily commented out this functionality.
WiFi connect algo improved a little.

Signed-off-by: Dieter Niklaus <dieter.niklaus@gmx.net>
Updated workspace/.metadata.zip

Signed-off-by: Dieter Niklaus <dieter.niklaus@gmx.net>