integrate QC plugin (ajax branch)

This refactors the page-attribute area a bit and intergrates the new
ajax branch of the QC plugin. I'm not really happy about the included
file - it should probably

integrate QC plugin (ajax branch)

This refactors the page-attribute area a bit and intergrates the new
ajax branch of the QC plugin. I'm not really happy about the included
file - it should probably be moved to our Template class instead.

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comment changed

SPR-867: Tags + Form for Tagcloud

tabs border-bottom

buttons height and position to label

SPR-843: Fontello Icons uniform size

SPR-758: Styling Detailseite - form reset button + buttonliste (extension manager)

more styling for section edit buttons

moved the whole section editing and highlighting stuff to its own file.
also moved the edittable specific parts to their proper plugin file.

SPR-797 fix ID uniqueness

As explained on https://www.dokuwiki.org/devel:javascript#using_ids IDs
may not clash with headlines. To avoid that all IDs have to use two
subsequent underscores.

wrong float for edit button for table

fixed line endings CRLF -> LF

merge jde_bar_search and bar_search branch

mobile + js: min-height for content > sidebar hight

font-size des root reduziert, damit default font size 1rem entspricht

struct font sizes, page tool icons

Vorbereitung sprint meeting

metabox part 1

image position in jiralink

delete styles after changing base_design

magic matcher mobile

mobile view part 1

em --> rem + font-size in responsive

color + hover + padding

css content + struct-plugin prepared

uniform styles for icon-buttons (+ mixin for prefix added)