HLT integrations on top of 5198

It integrates in the run2 HLT menu the following tickets:
- CMSHLT-87 (NoBPTX paths for EXO) added to the GRun menu
- Electron Tag and Probe triggers for Run II, CMSHLT-95
- Requesting to integrate an updated tau+MET trigger, CMSHLT-99
- Displaced muon triggers for Run 2, CMSHLT-103
- Addition of hadronic HLT paths from the SUSY PAG, CMSHLT-95

While the previous #5198 by @jalimena (also included here because it has not been merged yet) integrates:
- CMSHLT-100 (Fix of relative isolation for taus)
- CMSHLT-91 (rename WP80 as WP85 in top paths
- CMSHLT-101, Addition of Single Jet Trigger with Trimming for B2G
- CMSHLT-96 (control triggers for multijets)
- CMSHLT-98 (ele/mu + jets for B2G)