added sections to Makefile for deployment and undeployment in order to facilitate faster develop-test cycle
replaced $wgRequest->getRequestURL() in memento.php
removed $wgServer from memento.php; it wasn't being used
renamed $wgRequest variable in timegate.php in order to address concerns about mediawiki's naming conventions:  wg is reserved for global variables
renamed $wgOut variable in timegate.php in order to address concerns about mediawiki's naming conventions:  wg is reserved for global variables
renamed $wgRequest variable in timemap.php in order to address concerns about mediawiki's naming conventions:  wg is reserved for global variables