Update LLFloaterLand to v-d
Derive LLPanelPlace from LLRemoteParcelInfoObserver, and update affected sections to v-d.
Brought in Script Limits from v-d! (Accessible from About Land)
Add support for two non-SL grid features/flags.

Adds support for GamingData cap, and flags: PF_GAMING, DFQ_FILTER_GAMING, REGION_FLAGS_GAMING, and REGION_FLAGS_HIDE_FROM_SEARCH
Adds GamingCheck to floater_about_land.xml
Adds filter_gaming checkboxes to floater_directory* xmls
Adds "is gaming" and "hide from search" checkboxes to floater_god_tools.xml
Initial Portuguese translation, contributed by Knolan Falconer