The "Problem in nested qdatagrid" is addressed here

See the http://qcu.be/content/problem-nested-qdatagrid for the problem explanation and the original patch.
With all the bugfixes merged in, the generated  type-table code was broken.
jqueryui-themeroller support is added
Changes to make the system work after last commit
Merge pull request #223 from olegabr/bug-nestedQDatagridPagination

Bug in nested qdatagrid pagination fixed
Release version moved forward, changelog is updated
Merge pull request #247 from olegabr/rc-2.2.1

Release version moved forward, changelog is updated
Merge pull request #248 from qcubed/rc-2.2.1

The release version 2.2.1 is prepared
Merge branch 'master' of github.com:olegabr/framework into norma-soft

Conflicts:
	assets/_core/php/examples/master_detail/records.summary.php
	includes/qcubed/_core/qcubed.inc.php