Stopped usage of Index.isForeignKey()
Updated meta data versions, and protobuf related files
removal of index.constraint field
Removal of DDLGenerator
minor clean-up
Update on comments, removed Schema parameter from Index.isConnectedToFK(), removed one unused case handling Primary Indexes
Fixed tests, that don't end on IT
Fixed tests, that don't end on IT
AlterTableDDL fix, dropping constraint test
Fix the test-alter-table-add-index, one value should be null , not
"null" (no quotes) for the FTS system to process. 

The test-trim.yaml was being complained about by my eclipse yaml parser,
so decided to fix it too.
Revert changes to test-trim.yaml
merge SytzeH: Removal of index.constraint field, and DDLGenerator()

Merge pull request #1360 from SytzeH/sql-layer/indexCon
https://github.com/FoundationDB/sql-layer/pull/1360
SlowErrors done

Timeout exceptions are now logged
merge tjoneslo: Fix the test-alter-table-add-index, one value should be null

Merge pull request #1362 from tjoneslo/sql-layer/fix-fts-alter-table-add-index
https://github.com/FoundationDB/sql-layer/pull/1362
Fixed error

Now code checks to make sure query logging is enabled
cleaning

removing unused code
added condition for ExpressionsSource
Fixed up

Bulk of code moved into log error
merge JerettS: Send queries that were too slow to the query log

Merge pull request #1363 from JerettS/sql-layer/SlowErrors
https://github.com/FoundationDB/sql-layer/pull/1363
formatting