INSTALL: Update the doc to be STX-formatted and include the 'local install' addendum.
INSTALL: Update the doc to be STX-formatted and include the 'local install' addendum.

Ban3/Limnoria,frumiousbandersnatch/supybot-code,prashantpawar/supybot-rothbot,Ban3/Limnoria,raboof/supybot,ProgVal/Limnoria-test,buildbot/supybot,jeffmahoney/supybot,kblin/supybot-gsoc,ProgVal/Limnoria-test,mazaclub/mazabot-core,haxwithaxe/supybot,mazaclub/mazabot-core