added highlight method so that plugins can request that a certain cell be highlighted (for example, a search/replace dialog)
added highlight method so that plugins can request that a certain cell
be highlighted (for example, a search/replace dialog)

caio2k/RIDE,fingeronthebutton/RIDE,HelioGuilherme66/RIDE,HelioGuilherme66/RIDE,robotframework/RIDE,HelioGuilherme66/RIDE,HelioGuilherme66/RIDE,robotframework/RIDE,robotframework/RIDE,fingeronthebutton/RIDE,caio2k/RIDE,fingeronthebutton/RIDE,robotframework/RIDE,caio2k/RIDE