Rename RFBee_v1_1.ino to be able to use the firmware out-of-the-box from git

Signed-off-by: Tomas Hozza <thozza@gmail.com>
Adjust HW version to latest (1.1) and fix compilation issue

In file included from TestIO.ino:3:0:
TestIO.h:5:20: fatal error: config.h: No such file or directory
 #include "config.h"
                     ^
                     compilation terminated.

Signed-off-by: Tomas Hozza <thozza@gmail.com>
Fix compilation issue

rfBeeCore.ino:22:23: fatal error: rfbeeCore.h: No such file or directory
compilation terminated.

Signed-off-by: Tomas Hozza <thozza@gmail.com>
Fix compilation issues.

Mainly variabled not being const in order to be able
to be stored into read-only section.

Signed-off-by: Tomas Hozza <thozza@gmail.com>