Fixes #4225: Filter techniques without directives in rule edit form
Fixes #4232 : store number of items per line + optionnal filters
Merge pull request #380 from fanf/ust_4224/dev_4225_filter_techniques_without_directive_in_rule_edit_form

Fixes #4225: Filter techniques without directives in rule edit form
Merge pull request #384 from ncharles/ust_3632/dev/4232_store_nb_of_line_per_grid

Fixes #4232 : store number of items per line + optionnal filters
Merge pull request #389 from VinceMacBuche/bug/4240/links_rule_table_directive_page

Fixes #4240: Links in rule table now works properly
Merge pull request #388 from VinceMacBuche/bug/4239/fix_popups

Fixes #4239: Fixes popup in Rule page
Merge pull request #387 from VinceMacBuche/bug/4237/fix_popup_rule_category

Fixes #4237 : some fixes on Rule category popup
Merge pull request #385 from VinceMacBuche/bug/4235/rule_cateogry_selecteds_hould_not_be_lost

Fixes #4235: Rule cateogry tree selection should be kept
Fixes #4231, Rule categories in Rule creation popup are now up to date