remove profiler from lpc_common

The profiling functions (gcc -finstrument_function) should be better
defined within the application.
fix for the redbee-econotag Makefile to work again
fixes to build default project and clean properly
Merge pull request #335 from thomaseichinger/makefile

fix redbee-econotag Makefile
Merge pull request #403 from OlegHahm/remove_profiler

remove profiler from lpc_common
added vtimer_msg_receive_timeout
Merge pull request #402 from mehlis/vtimer-msg-receive-timeout

added vtimer_msg_receive_timeout