DOCS-949  aggregation operator concat
merge: aggregation concat operator
DOCS-1070 geoNear
merge: DOCS-974 and DOCS-1105
merge: DOCS-1070
fix configsvr details and add version info
edits and intra site porting
DOCS-1214: hipaa not hippa
DOC-995: removing example from glossary.
trivial rename of text-index.txt to text-indexes.txt