Minor changes to magic variables.

gas moves to "msg", ripemd160 returns hash160.
resolved circular dependency between libevm and libevmjit
Merge branch 'develop-evmcc' of https://github.com/imapp-pl/ethereum into develop-evmcc
forgot to add new source files
added reference to libevmjit to alethzero's CMakeLists.txt
fixed bug in implementation of LOG
Merge pull request #546 from chriseth/sol_minorChangeToMagic

Minor changes to magic variables.
Avoid 20ms sleep time in Whisper.
Merge branch 'develop' of github.com:ethereum/cpp-ethereum into develop
Remove minGasPrice
Latest PoC-7 changes.
Warning fix.
ECDSA recover fix.
correct calculation of LOG cost
Version bump.
Remove old bloom stuff.
Fix genesis.
Variable EXP gas cost.
Compile fix.
Merge branch 'develop' into develop-evmcc
Merge branch 'develop-evmcc' into pr-jit