Add GenericVertexFinder to 2017-patches

Add package GenericVertexFinder

Depends on Rec!1683 (merged) and LHCb!2103 (merged) and Rec!1690 (merged)

See merge request !361 (merged)

(cherry picked from commit b5a5c6fa)

dea244c4 Redefining KsDD and KsLL as in Hlt2
b10e058e added Phys/GenericVertexFinder
3e053895 added some missing dependencies
b7e8db2d Merge commit '3e0538957541fd5a2fb236b8332b2ac0230eb17f' into wh_addGenericVertexFinder
e05fc61d added comments
9c7f7d1f obsolete: implement remaining functionality in JetVertexAlg
9deebc22 modifications before renaming
0c480167 merged with GenericVertexFinderAlg
c9c63330 removed obsolete ParticleTraj.h
67a31b40 many changes in response to code review
77bd89e0 Adding V0s as option
f4797a8c Merge commit '67a31b40b9888b401b326c4d5f54bd963d5a8130' into wh_addGenericVertexFinder
bf24c995 more changes in response to code review
3bb36778 and more changes in response to review
5b70e8d1 fixed bug in last commit to ParticleTrajProvider
e94876ec Revert changes to StdLooseKs
8fe8027c Reverting changes to HltJetConf
739cd84b changes in response to review
4fdf5da6 replace delete jvertex.release() with jvertex.reset()
d5d4fd59 bug fix for HLT: don't automatically add 'Phys' to the particle location
3c0da3ee Update CMakeLists.txt - format for version is v1r0 rather than v1r00.
219a4162 added comments to header files