[eclipse config] Updates libraries paths after reorg.
* "/secondary_robot",
* "/static/comm/Xbee_API/tools/arduino_test",
* "/static/comm/Xbee_API/tools/arduino_test2",
* "/static/comm/Xbee_API/tools/test",
* "/static/loca/balise_mobile" and
* "/static/loca/balise_principal" eclipse projects are building fine.
* Cleans up some directories settings
* Adds references to arduinoUno_core project