Merge pull request #19 from cfwheels/master

pull from upstream
Merge pull request #20 from cfwheels/master

pull from upstream
unit tests fixes backported from 1.2 branch for issue #236
Merge pull request #249 from scahyono/master-db-test-fix

Master db test fix for PostgreSQL and Oracle
Merge pull request #251 from chapmandu/master

Browse test packages, MSSQL driver condition & fixes
Updated change log.
Re-added some code that got overwritten in previous commit.
Fixes #153.
Merge pull request #21 from cfwheels/master

pull from upstream
Updated change log.
Refactored syntax.
with this change plugin mixin targetting global will be executed during
the execution of Unit Test. Currently, those global mixin is broken
during Unit Test and the original core methods is being executed
instead.
Merge pull request #252 from scahyono/master-test-mixin-fix

Master test mixin fix
resolve change log merge conflict