SVY-6880 copy/paste (selection update)

small refactor
SVY-7168 layoutcontainer: fix docs + small refactor
SVY-7100 The HTML Editor of Eclipse WST that Servoy bundles (to get the
CSS Editor) is not linked to files with the extension .html
SVY-7097 Sometimes the method or the dataprovider of a component change
itself to -unresolved-
SVY-7101 Scrollbars don't appear when the content doesn't fit the canvas
size

scrollbars are now only on the content div outside the iframe, the
content div is just made bigger in height (also for phone/tablet)

removed focus() call on glasspane because that constantly jumps the
screen to the top
new version prepare
new version prepare
new version prepare
new version prepare
SVY-6981 css editor typo
new version prepare
new version prepare
fix for resource not found exceptions for js files that are not directly
servoys js files
slight improve for display in outlineview
Merge remote-tracking branch 'origin/master' into SVY-6929