Merged Markus Wildbolz' node-guarding and fixes

Doxyfile adapted to show all basic source files, search engine included

Removed auto-generated object dictionary files from example folders
Updated .hgignore file (generated Makefiles, auto-generated OD files)

Changed call to sleep function because it gets redefined when using RTAI_LXRT

Implementation of a basic working node-guarding
Documentation adapted
Typos corrected

Changed configure to compile on Debian with the latest RTAI patch installed (removed rtdm library in compiler flags)
Commented out the MSG_WAR section for RTAI because this only runs in an RTAI Kernelspace program

Fixing networkedit to deal with non-null master nodeid

Adding support for translating CANOpen type to corresponding IEC type for location drag'n drop

Master now sends NMT_Reset only from default preOperational application callback

Fix bug when adding an entry to a node

Fix bug with 'not saved' state for network when removing a slave

Removed debug code remaining in pdo.c

pdo.c : missalignment problem on some cpu when comparing cobids, various typo fixes
dcf.c : factorized code, and added automatic state change to operational when DCF finished
drivers/none : default time value is now nanoseconds

Adding informations in data send when drag'n dropping locations

Fix bug when importing and loading not well formatted eds files