Initial work with SQL Server connector
Added SQL Server test cases
Added SQL Server on phpunit config sample
Fixed test cases
Fixing more issues
Fixing all the things
Removed schema check. The old lib dont have it too
Initial changes to support SQL Server on Linux
Revert "Initial changes to support SQL Server on Linux"

DBLIB is a poop drive with tons of bugs.
Based on other comments on GitHub, this driver will not be supported.

This reverts commit 42fae60958ec07062c3845d641f51e17ecae6a83.
Path adjustments after rebase
Using schema on the queries to avoid duplicated records
Fixed test cases
Starting some work on query translators
Changed to proper format the order by in sqlserver
Base model class no longer changes an already defined schemaName value
Sqlserver Datasource how properly appends the schemaName prefix in the describe() method
correct doc block
Merge pull request #3271 from dereuromark/2.5-string

correct doc block
Merge pull request #3210 from ubermaniac/Sqlserver-schema-prefix

Sqlserver schema prefix #3208
Revert the removal of a BC relevant part.