Extended PDO API with SendOnePDOEvent

Merge with daa1e1c3fba43ee73a2e827961155b1372ca433e

Verify if nodeId is strictly lesser than subindex entries count at the beginning of send_consise_dcf_loop function

Removing superfluous event.Skip()

create specific timer thread for UCLIBC support (with CLOCK_PROCESS_CPUTIME_ID parameter)

changes merged

-add LeaveMutex to avoid canopenshell deadlock when call NodeInit
-Now call the first setalarm from StartTimerLoop instead of the Timerthreadloop (like linux)

Fixed casts subject to problems on some compilers.

Fixed typo in can_socket.c

Some more reasonable timeout while waiting timer thread end

Fixed bug in the AVR-CAN driver: the CAN interrupt changes the
selected message object, but does not revert it before exiting.

add timeout for waitreceivetaskend for the win32, fix GetLastError print

Added timeout for waiting timer thread end on windows.

removed ligcc.a dependency and fix problem with errno value

Fixed wrong cast in sdo.c and wrong message length in nodeguarding

Fiwed use of socketopt accross RT and non-RT implementation of SocketCan

Updated memento with new Francis' version

re-use macro for objaccess

add some symbols from libgcc.a into libcanfestival_win32.a to maintain compatibility between mingw and msvc compilers

fix warnings with msvc compiler

add extern C to maintain compatibility with C++
fix warnings with msvc compiler

update config.h for win32 (for user which not use configure script)

Update CanFestival-3.def for visual studio users :
- Add TimerInit and TimerCleanup functions
- Add emcy functions

Replace macro functions for setODentry and getODentry
(prevent compilation errors with visual studio c++ compiler)