improved error message for TemplateNotFoundException
no longer use "pheasel" template for 404 page
fixed typo in page name
fixed handling of url encoded characters in PHeasel's root directory name
fixed requests failing when PHeasel is located under a directory called "pheasel"
improved debug logging when looking up markup file nodes
removed opening php short tag for better environment compatibitlity
removed log file content
updated log4php configuration to write logs to pheasel/logs directory
removed shorthand php echo tags for better environment compatibility