Changelog cleanup
Replace home-brewed \Dumper for Symfony's VarDumper
Remove ancient IE-specific tags.
Merge pull request #2353 from bobdenotter/feature/var_dumper

Replace home-brewed \Dumper for Symfony's VarDumper
Merge pull request #2354 from bobdenotter/bugfix/no-country-for-old-browsers

Remove ancient IE-specific tags.
Merge pull request #2350 from rarila/changelog-ocd

Changelog cleanup...  Too bloody right, mate!
Merge remote-tracking branch 'upstream/master'