Chrome needs some help selecting page breaks too.

Firefox seems to be able to select them without problems.  I don't
have IE to test with.
Fixed styles in toolbar.css to prevent blurry icons in IE11. Re-factorized greedy styles.
Changelog entry.
Merge branch 't/11542'
Made developers' life easier.
Fixed: If fullPage mode is on, body is being given a nestedEditable context while processed.
Micro enhancement.
Changelog entry.
Merge branch 't/11504'
Merge branch 'master' of https://github.com/davidw/ckeditor-dev into t/8673

Conflicts:
	plugins/pagebreak/plugin.js
Comment updated.
Changelog entry.
Merge branch 't/8673'
Also other webkit based browsers needs additional handling for pagebreak click.
Merge branch 'master' into major

Conflicts:
	plugins/pagebreak/plugin.js