added HasText interface to Paragraph
added info style to ControlGroupType
fixed GWT UiBinder bug by pulling up the HasText interface from Paragraph widget to HelpBlock Widget
Merge pull request #431 from reinert/master

added HasText interface to Paragraph
HelpBlock now implements HasHTML allowing put html tags inside widget's UiBinder xmls
Merge pull request #434 from reinert/master

HelpBlock now implements HasHTML allowing put html tags inside widget's ...