Update WebAdmin

All files have been updated to the latest version off the new WebAdmin
look.
Update guest.html
Update style.css
Update (original).html
Update login_template.html
Update temp.html
Update login_template.html
Update login.css
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Update template.lua
Update login.css
shorter easy-install command
APIDump: Added basic projectile documentation.
Added type to block type enum.
Merge pull request #1568 from mc-server/TypedBlocktypes

Added type to block type enum.
Added IsBiomeVeryCold() and IsBiomeCold() functions.
Added new biomegen: Grown
Added a missing header to CMakeLists.
Fixed a copypasta error in cIntGenAddToOcean.
BioGenGrown: Smaller biomes, add land to map center.