make compilation of sc_heap module dependent
limit maximum payload size to 255 for nativenet if 6lowpan is used
pass border router flag to initialization function
fixed signedness and size of some data types in sixlowpan
fixed some warnings
Removed all references to a specific MCU in "generic" files
Inclusion of generic <msp430.h> file is done in cpu.h
Made the headers of files in 'cpu/msp430x16x' and 'cpu/cc430' generic
Added definition of correct MCU model in MSP430-based board headers
Removed 'flashrom.c' from the 'msp430-common' directory
since flash management differs with the MSP430 family
Added the needed new section for telosb in boards/Makefile.base
macros are not handled by the preprocessor in ASM
put prototype for thread_yield() in core/include
Merge pull request #435 from OlegHahm/fix_assembler_ifdef

macros are not handled by the preprocessor in ASM
Merge pull request #423 from OlegHahm/fix_warnings

Fix warnings
Merge pull request #439 from OlegHahm/thread_yield_prototype

put prototype for thread_yield() in core/include
Quoted (instead of brackets) the custom header files #includes
Merge pull request #408 from rousselk/simplify-msp430-headers

Simplify msp430 headers