WIKI-642 : Javascript error when switching page with accent characters to Rich Text Mode

Fix description:
- fix js bug: $ is consider as jQuery, but it should be prototype object in prototype.js
- revert wrong comment in UIWikiWysiwygLoader.js
WIKI-592: Wrong position of section editing's tooltip

Description: Change the data-placement property from bottom to left to fix the tooltip display only on 1 line.
WIKI-636: Some problems with wiki porlet in public mode after WIKI-601
WIKI-574 Incorrect behavior of Search Completion

Fix description:
* Make wiki search textbox autocomplete:
** support searching attachments
** clicking on an attachment on the result will goto a download link(rest link)
PLF-5394 : Update PicketLinkIDMService configuration after upgrading to Picketlink IDM 1.4.3.Final
WIKI-380 Call method XWiki.fixLinksTargetAttribute() of Xwiki to fix all links with purpose opeing in new window