* Conversion of most functions in p_plats.cpp to PlatThinker methods.
* Tweak for documentation in p_scroll.cpp

git-svn-id: http://mancubus.net/svn/hosted/eternity/trunk@2386 86ba831e-150c-0410-ab35-e06eaae15ed9
Moved plat_e enumeration into PlatThinker class.

git-svn-id: http://mancubus.net/svn/hosted/eternity/trunk@2387 86ba831e-150c-0410-ab35-e06eaae15ed9
Parameterized plat types added:
Plat_PerpetualRaise (60/410), Plat_Stop (61/411), Plat_DownWaitUpStay (62/412),
Plat_DownByValue (63/413), Plat_UpWaitDownStay (64/414), Plat_UpByValue (65,415)

git-svn-id: http://mancubus.net/svn/hosted/eternity/trunk@2388 86ba831e-150c-0410-ab35-e06eaae15ed9