consider even and odd case when matching GEM Pads to halfstrip(YE21) or RPC strips to halfstrip(YE3141)
Merge pull request #166 from tahuang1991/Tao-CSC-Trigger-Upgrade-forSLHC14

Tao csc trigger upgrade for slhc14
Merge pull request #234 from gem-sw/CSC-Trigger-Upgrade-GEM-RPC-forSLHC14

Csc trigger upgrade gem rpc for slhc14