Merge remote-tracking branch 'my-GEMCode/Tao-GEMCode-SLHC12'
Merge branch 'master' of https://github.com/gem-sw/GEMCode
add RPCDigiMatcher
complete RPCDigiMatcher
Merge pull request #191 from tahuang1991/Tao-RPCDigiMatcher

complete RPCMatcherDigi
add extraploate function in GEMDigiMatcher and RPCDigiMatcher, and add several branch in tree to fill the halfstrip extrapolated from GEM and RPC
Merge pull request #192 from tahuang1991/Tao-RPCDigiMatcher

add extraploate function in GEMDigiMatcher and RPCDigiMatcher,
Merge pull request #193 from dildick/master

bunch of updates
add RPC bending angleÃ
updated bending angle lib
add rpc cuts
rpc digis in csc stub matcher