Help issues for bug 9042 (#738)

* Media Manager: add help button and remove '...'

Issue #9042

* Edit/Preferences: add Help button

Issue #9042

* Style Editor, Document Styles dialog: add help buttons

Issue #9042

* Fix Select Person dialog Help button URL

Issue #9042

* Fix Select Repository dialog Help button URL

Issue #9042

* Relationship Calculator: Add help button

Issue #9042

* Reorder Relationships dialog; add Help button

Issue #9042

* Generate Book Dialog; Fix Help URL

Issue #9042

* Manage Book dialog; add help button

Issue #9042

* Fix Detached Gramplets Help button URL when 'help_url' not in .gpr

Issue #9042

* Fix help URLs when they contain illegal characters and to match wiki
section targetID algorithm

Issue #9042

po/ar.po

@@ -13638,7 +13638,7 @@ msgstr "محرر الموقع"
 #: ../gramps/gui/editors/editmedia.py:68
 #, fuzzy
 msgid "manual|New_Media_dialog"
-msgstr "manual|Media_Manager..."
+msgstr "manual|Media_Manager"
 
 #: ../gramps/gui/editors/editmedia.py:99
 #: ../gramps/gui/editors/editmediaref.py:409
@@ -32221,8 +32221,8 @@ msgid "Looking for possible loop for each person"
 msgstr "بحث عن {number_of} من الأشخاص"
 
 #: ../gramps/plugins/tool/mediamanager.py:68
-msgid "manual|Media_Manager..."
-msgstr "manual|Media_Manager..."
+msgid "manual|Media_Manager"
+msgstr "manual|Media_Manager"
 
 #: ../gramps/plugins/tool/mediamanager.py:88
 #: ../gramps/plugins/tool/mediamanager.py:114