Mssql linux master

I'm so sick of it:

````
1> select * from [oc_appconfig] where [configkey] = 'enabled' and [configvalue] = 'yes'; 
2> go
Msg 402 (severity 16, state 1) from NAUTILUS\SQLEXPRESS Line 1:
	"The data types text and varchar are incompatible in the equal to operator."

mssql is the windows platform only approach as we used to have it in previous release - we wanted to keep this for the time being
mssqldbo is the linux to mssql connectivity