removed underline from top bar links
removed marquee, ticker and floater widgets
fix for tab history to use the remeber tab setting
remove docmanager, it was replaced by resmanager
jquery sys alert, removed moodx.js
style.css was included a second time when a sys alert is present
phptextarea was not the correct font because jquery ui css was overwriting it
removed metatags and keywords functionality

- there are still some API's that could be removed, but I decided to
keep them but remove the code from them and return empty array
mergeDocumentMETATags, getMETATags, getKeywords
Merge pull request #176 from Cipa/develop
Remove call to mergeDocumentMETATags() from parseDocumentSource() in DocumentParser class.