Merge branch 'hf-1.2.10'
Add Orm/Builder::get()
Bump version number to 1.2.11
Manually set columns to select.

Now, this is the Orm\Builder that specifies the columns to select.
We do not try to guess what user wanted with _onAfterBuild(). However,
_onAfterBuild() is still used to easily set the "from" component. It
might be used in other builders too.
Merge branch 'hf-1.2.11'
Merge branch 'hf-1.2.11' into develop
Clean QueryBuilder tests
Can compile aggregates with columns
Merge branch 'hf-1.2.11' into develop

Conflicts:
	lib/Orm/Builder.php
Hotfix: Orm::all() call Builder::select()
Merge branch 'master' into develop
Bump version number to 1.2.12
Fix select components order
Merge branch 'hf-1.2.12' into develop
SelectBuilder::select() accepts Expression