[FIX] Added ESLint rules for testsuite

- .eslintignore adapted
- eslint errors removed from SAP modified/created less files / updated
less files to newest version

Change-Id: I1601f15b6b6842d0bc4aa912228bb8839d1da753
[FIX] sap.m.IconTabBar: Fixed rendering issue in BlackBerry

Change-Id: I826eb7ca59d65604575812cf0d04f05e15dc3db8
CSS: 0120061532 0001463943 2014
Merge "[FIX] sap.m.IconTabBar: Fixed rendering issue in BlackBerry"
Merge "[FIX] Added ESLint rules for testsuite"