merge Relations and Multimedia elements #297
minors
#244 in progress
#297 fix and #244 some inline editing
fix html and styles of login page
update jquery ui to 1.10.4 #428
update to jquery 2 #428

update js/tpl
reorganize libraries
Merge branch 'issue/428-upgrade-jquery2' into 80-244-297-369-refactor-of-relations-manager
#369 migration SQL scripts
Merge branch '80-244-297-369-refactor-of-relations-manager' of https://github.com/bedita/bedita into 80-244-297-369-refactor-of-relations-manager
refactoring due to jquery 2 upgrade #428
Merge branch '80-244-297-369-refactor-of-relations-manager' of https://github.com/bedita/bedita into 80-244-297-369-refactor-of-relations-manager
update majorVersion to 3.3.1 #428

to permit to plugin modules to check version and load right scripts
remove jquery.migrate plugin #428

move also {$scripts_for_layout} on bottom of <head>
starting develop  of media upload w dropzone
Merge branch '80-244-297-369-refactor-of-relations-manager' of https://github.com/bedita/bedita into 80-244-297-369-refactor-of-relations-manager
select2 library and #80 #297 dropzone implementation
select2 library
#450 ajax loading of the tree on publication tab open
 #450 load publications' tree instead of all tree

in list objects the tree is composed only by publications because branches are loaded by ajax.
If some filter on some branch is set then that publication tree will be expanded