Set equivalent projection when possible (see #177)

We want to set the equivalent projection even if the bbox isn't advertised in the same.
Use Strategy.Fixed by default for FeedSource, Strategy.BBOX for Picasa and Youtube
do not do anything if value is the same in TimeSlider
Merge pull request #186 from emoen/master

handle getState when layers contains Openlayers.layer.Vector, and more verbose error message.
correct opacity filter syntax
Merge pull request #187 from lbesson/patch-1

Correct MSIE opacity filter syntax
fix for gxp #189 - allow matchCase in WFS Filter
fix for gxp #189 - allow matchCase in WFS Filter - add missing negation
Merge pull request #190 from justb4/master

Fix for gxp #189 - allow matchCase in WFS Filter
fix for gxp #191 - allow automatic wildcard attachment in LIKE Filters
if we have values that resemble an interval in the time slider, guess the best way to present the tooltips see also https://github.com/opengeo/mapstory/issues/616
allow configuring maxframes and prebuffer
only check for units not for the actual value when determining the tooltip precision for the time slider
when determing the time precision for the tooltip, use the lowest unit of an interval
in interval mode, take into account the timeUnits when guessing the time format for the slider
do not throw error but warn in the console instead
get rid of buttons in PlaybackOptionsPanel's bbar
prevent scrollbar in playback options panel
Fix fill opacity in fill symbolizer
Merge pull request #192 from alediator/83841-fill-opacity-fix

Fix fill opacity in fill symbolizer