Option r_boomcolormaps applies the view.sector's colormap to all rendered sectors, for backward compatibility. Currently cvar only.

git-svn-id: http://mancubus.net/svn/hosted/eternity/trunk@2834 86ba831e-150c-0410-ab35-e06eaae15ed9
Minor cleanup

git-svn-id: http://mancubus.net/svn/hosted/eternity/trunk@2835 86ba831e-150c-0410-ab35-e06eaae15ed9
Changelog update: 12/25 to present.

git-svn-id: http://mancubus.net/svn/hosted/eternity/trunk@2836 86ba831e-150c-0410-ab35-e06eaae15ed9
Added /usr/local/share to the basepath search in Linux, for those installing directly with make.

git-svn-id: http://mancubus.net/svn/hosted/eternity/trunk@2837 86ba831e-150c-0410-ab35-e06eaae15ed9
* Apply COPYING-EE terms to DavidPH's code as he agrees to it.
* Minor cleanup in r_portal.cpp

git-svn-id: http://mancubus.net/svn/hosted/eternity/trunk@2838 86ba831e-150c-0410-ab35-e06eaae15ed9