CMS-2370 Implements batching in VacuumServiceImpl
CMS-2398 Analyze and solve performance problems in MyPageServlet.
Merge pull request #132 from enonic/CMS-2370

CMS-2370 Implements batching in VacuumServiceImpl
CMS-2490 Missing DOCTYPE in preview template forces quirksmode in IE
Merge pull request #137 from enonic/CMS-2398-2

CMS-2398 Analyze and solve performance problems in MyPageServlet.