Added driver to support dotConnect for MySql
Remove needless API extensions:
AggregatingGroupByRewriter.cs: Restore private constructor lost in a5c0c6b9f3f1711ebbf2ad0fb5dd6791845124d4 (class is static on the master branch).
NhRelinqQueryParser.cs: Make classes added after 3.3.2 internal.
ResultOperatorProcessors/ProcessTimeout.cs: Added after 3.3.2, make it internal.
Spelling in comments.
Exec/AbstractStatementExecutor.cs: Fix for NH-3255 from srillaert.
Merge pull request #149 from andreazevedo/3.3.x

Added driver to support dotConnect for MySql
Unit-Test % fix for NH-3241 by removing Fetch operators during linq expression rewrite.

Cherry-picked from 20730447db57ece963d343d3f34d0e79245ed031, contributed by Pablo Ruiz García.
Add .editorconfig file specifying tab indents
Add .editorconfig guidelines in the Contributor Guide documentation
Merge pull request #122 from rbirkby/editorconfig
SelectionTests.cs: Tabify.
Support a.CompareTo(b) and string.Compare(x, y) in LINQ queries. NH-3366.
Merge branch '3.3.x'
WhereTests.cs: Remove useless using.