Add config fragment for new i18n ordering system
Respecting model permissions in AssetAdmin
API Marked statics private, use Config API instead (#8317)

See "Static configuration properties are now immutable, you must use Config API." in the 3.1 change log for details.
FIX Unset "underneath page" title when switching to "top" in "add page"
FIX VirtualPageTest memory errors due to Config API quirks
Fixed Config usage in ErrorPage
Simplified travis builds (external setup scripts)
Simplified travis builds (external setup scripts)
Fixed missing cmd in travis setup
Simplified travis builds (external setup scripts)
More straightfoward travis include/exclude
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
Removed LOLCAT locale - sadly not supported by our translation infrastructure

It breaks the CMS when selected. If there's interest in maintaining it,
we can re-add. Fixes https://github.com/silverstripe/sapphire/issues/1457
Better error message when attempting to enter a blank URL Segment (fixes silverstripe/silverstripe-cms#1570)