Remove Ruby 1.8 and 1.9 support for 5-stable#798

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aycabta wants to merge 6 commits intosferik:5-stablefrom aycabta:remove-ruby18-ruby19-support

+16-28

Commits on Aug 24, 2016

Commits on Sep 2, 2016

Use Base64.strict_encode64 with Ruby 1.9+
aycabta
committed
Revert "Redefining unary ! is not allowed in Ruby 1.8.7 :frown:"

sferik
authored and
aycabta
committed

Commits on Sep 3, 2016

Replace fail with raise, for RuboCop
aycabta
committed