Optimized plugin triggers

Here are the changes:

* "wb-cal-evt" changes to "wb-calevt"
* "data-calEvt" changes to "data-calevt" (to be consistent with everything else)
* "data-picture" changes to "data-pic"
* "wb-session-timeout" changes to "wb-sessto"
* "wb-texthighlight" changes to "wb-txthl"
* "texthighlight" (query string) changes to "texthl"
* "wb-equalheight" changes to "wb-eqht"
* "wb-lightbox" changes to "wb-lb"
* "lb-gallery" changes to "lb-gal"
* "wb-formvalid" changes to "wb-frmvld"
* "data-country-content" changes to "data-ctrycnt"