Recommended update for phantomjs

This update for phantomjs fixes the following issues:

- Downgrade phantomjs to 2.1.1 to fix an issue where PhantomJS crashes on startup. (boo#1008760)
- Stop PhantomJS crashing due to wrong Qt plugin type used.

Fixed bugs
bnc#1008760
PhantomJS fails to run in Leap 42.2 RC2
Selected Binaries
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