FIX Unset "underneath page" title when switching to "top" in "add page"
Simplified travis builds (external setup scripts)
Fixed missing cmd in travis setup
More straightfoward travis include/exclude
Updated bugtracker links
Added installer link to readme
Merge remote-tracking branch 'origin/3.0' into 3.1

Conflicts:
	.travis.yml
IMPROVEMENT Convert multibyte URLs preview to human redable format
Merge pull request #309 from a2nt/multibyte_url_convertion

IMPROVEMENT Convert multibyte URLs preview to human readable format
Regression in URL generation (dots now filtered out)

Caused by framework/5ec85d06f68d09ab30b124312c54f1d84ce7d6f4