JTA compatible again
Fix setAutoCommmit ops for JTA transactions
Use the new build env on Travis

dedicated cpu cores, more ram, better networking, faster vm boot times
Merge pull request #331 from joshk/patch-1

Use the new build env on Travis
Merge pull request #327 from scalikejdbc/jta-compatibility

JTA transactions support
Added findBy method and adjusted test message for existing findAllBy

Added findBy beneath find method.
It enables to build where clauses in the same way of findAllBy.
Some messages for test code for findAllBy may be confusing after addition of findBy,
so adjusted to make clear to findAllBy is the kind of *All method.
Merge pull request #330 from diceit/spike4/findBy

Added findBy method and adjusted test message for existing findAllBy
Fix column names retrieval (Microsoft SQL Server)

change to call DatabaseMetadata#getColumns with null as schema not "" on mssql