Photoalbum: misc fixes
* fixed dataScroller for images
* enhanced some css styles and scripts
* UserBean made SessionScoped
* workarounded bug with CDI @Produces for getting User in Controller
* added missing messages
* some rendering bugs fixed (etc. Comments panel and Image info was not re-rendered after image change)
* used jstl lib in some cases for checking of components to be rendered (cleaner code, replace checking for every child component of one container)
* some code was reformatted
* uncommented and fixed events for inplace inputs in *editInfo (albumEditInfo, etc.) views and changed edit buttons styles, so they are visible
* some comments fixed
port RF5 changes
Merge branch 'pr/20' into photoalbum-improvements

Conflicts:
	photoalbum/src/main/java/org/richfaces/photoalbum/bean/UserBean.java
	photoalbum/src/main/java/org/richfaces/photoalbum/domain/User.java
	photoalbum/src/main/java/org/richfaces/photoalbum/manager/Controller.java
	photoalbum/src/main/webapp/includes/album/albumInfo.xhtml
	photoalbum/src/main/webapp/includes/album/albumsList.xhtml
	photoalbum/src/main/webapp/includes/fileUpload/fileUploader.xhtml
	photoalbum/src/main/webapp/includes/fileUpload/uploadResult.xhtml
	photoalbum/src/main/webapp/includes/image/imageGeneralInfo.xhtml
	photoalbum/src/main/webapp/includes/image/imageHeaderInfo.xhtml
	photoalbum/src/main/webapp/includes/image/imageList.xhtml
	photoalbum/src/main/webapp/includes/image/imageScroller.xhtml
	photoalbum/src/main/webapp/includes/image/slideshow.xhtml
	photoalbum/src/main/webapp/includes/index/header.xhtml
	photoalbum/src/main/webapp/includes/index/login.xhtml
	photoalbum/src/main/webapp/includes/index/menu.xhtml
	photoalbum/src/main/webapp/includes/index/tree.xhtml
	photoalbum/src/main/webapp/includes/search/searchWidget.xhtml
	photoalbum/src/main/webapp/includes/shelf/createShelf.xhtml
	photoalbum/src/main/webapp/includes/shelf/shelfInfo.xhtml
	photoalbum/src/main/webapp/resources/scripts/photoalbum.js
fix merge issues
use relative path
fix post-merge issues, update
hide datascroller for five or less images
log out properly from FB and G+
apply fixes from RF-13405 to RF 5 changes
fix breadcrumbs
minor visual fixes
RF-13257: fix deletion of entities from DB
Merge pull request #21 from richfaces4/photoalbum-improvements

Photoalbum improvements
RF-13439: update help popups
use cursor: pointer
RF-19439: reduce help CSS, remove unnecessary elements
fix metadata extraction
call API only if album isn't loaded
RF-13439: add new help popups, format, fix resources
format links, change login buttons