-added freeSegmentInventory pointer to segments
-adjusted constructors of segment, sp_segment and btree_segment
accordingly
-changed format for TID sprintf to %u from %llu for uint16_t slotId
(compiler warning gone for fourth argument)
-segment test successfully passed
Merge branch 'master' of https://github.com/RomanSchwienbacher/DBI.git

Conflicts:
	DBImpl/source/segments/btree_segment.cpp