#166 improve page variant navigation
Fixed loading of page variant counters and the display in UI
(index for page variants still not working because of bug in server)
#166 improve page variant navigation
Marked the server side code to fix as deprecated with a TODO.
Merge branch 'develop' into feature/166_page_variants_navigation
#166 improve page variant navigation
Grand refactoring of data structure also for issue #73
to not use deprecated fields in the API anymore for page variant purposes
(was broken anyway therefore I changed this here radicaly).
This commit is only the server part of the refactoring,
 lient still uses old rest service data structure,
I will fix that in next commit.
#166 improve page variant navigation
Fixed changed step resource on server to consider build aliases
#166 improve page variant navigation
renamed step mavigation properties on server side
#166 improve page variant navigation
increased version number for internal format
#166 improve page variant navigation
refactored client to use new step service structure including new element 'stepNavigation' that contains needed counter and index for current page variant (now calculated properly again).
Merge branch 'feature/166_page_variants_navigation' into develop
#186 fixed closing FileReader for version.derived.properties
#186 fixed closing FileWriter for version.derived.properties
#176 Adjust vertical spaces all to same height
14px seems to be acceptable enough vertical space (saves us about 24 px of screenshot and other content)
#192: Added date-time filter and localized dates on build info details popup.
#199 fixed configuration/manage page shortcut for now
#171 Avoid line breaks in column headings
#178 Optimize generic tree view structure
Do not display special internal structure nodes "Item" and "children".
Those have a special div around it now for later styling purposes.
#178 Optimize generic tree view structure
Improved styling to only structure real children nodes with a line on left side (other nodes only with simple indentation)
to make the real belonging together information of one node better visible.
#178 Optimize generic tree view structure
improved optimized styling and comments for styling
#178 Optimize generic tree view structure and styling
improved styling of values and titles in tree view to make it better visible where a new object starts.
(only titles are bold, other values not bold anymore)
Merge branch 'feature/178-remove-internal-structure-keywords-from-tree-views' into develop