chore(i18n): update translations
chore(release): v1.9.7
fix(travis): Freezes PHP CodeSniffer on version 1.5.6
chore(travis): Moved PHP_CodeSniffer from pear to composer dependencies
Merge pull request #7678 from Srokap/release-1.9.7

Release 1.9.7
chore(release): Merge branch '1.9' into 1.10