#1303398 by johnv: Some entities might have a certain field value just empty but it's set, which caused notices

#1316932 by dereine: Reorder view execution and title generation, so the title can use the tokens from actual result values.

#1307162 by cmurph: Check whether an argument is empty or not when loading the taxonomy term for the title

Revert "#1235994 by das-peter, scor: Allow to group by field value instead of field html. This allows to use rdf with fields"

This reverts commit a0e16956.

Conflicts:

	plugins/views_plugin_style.inc

#1314306 by Hanno: Don't translate html-tags, because translators might get confused and the user should really see the original tag all the time.

#1090098 by dereine, chx: Convert database views which were defaulted in d6.2 and exported to views3. Sadly this only works for exported

#1235994 by das-peter, scor: Allow to group by field value instead of field html. This allows to use rdf with fields

 Now the conversion for the default case works automatically.
 Additional the code itself were simplified quite a lot and some comments
 got added.

#1302494 by defr: Don't alter the value_options directly for flatten the options in in_operator filter

#1109108 by szantog: Handler translation keys should use the id instead of the field to have a unique key for multiple fields