Fix of HLTDeDxFilter for 73X
adding dEtaInSeed to the HLT
adding r9 5x5 to the HLT
Merge pull request #6288 from Martin-Grunewald/DeDxFix73X

Fix of HLTDeDxFilter for 73X
Merge pull request #6299 from Sam-Harper/EGHLTDEtaInSeedR95x5_73X

Adding dEtaInSeed  and r9_5x5 to HLT
Merge remote branch 'origin/CMSSW_7_3_X' into CMSSW_7_0_X