BUG Fix search range for asset filter
Merge pull request #1071 from tractorcow/pulls/3.1/fix-asset-search

BUG Fix search range for asset filter
BUG Fix CMSMain::getList to correctly respect filter result
Fixes #1064
CMSSiteTreeFilter refactored to allow SS_List of filtered pages to be returned
Merge pull request #1069 from tractorcow/pulls/3.1/fix-cmsmain-getlist

BUG Fix CMSMain::getList to correctly respect filter result
Fix changed pages filter to match SiteTree's 'MODIFIED' label
Merge pull request #1072 from madmatt/pulls/changed-pages

Fix changed pages filter to match SiteTree's 'MODIFIED' label
fix spelling of pages from pags to pages

fix spelling of pages from pags to pages
Merge pull request #1073 from sunnysideup/patch-8

fix spelling of pages from pags to pages
Set minimum firefox version for travis support