Merge pull request #1038 from pminten/elixir-no-unicode-flag

Don't use the deprecated /u regex flag in Elixir example
Clarify 'this'
Merge pull request #1040 from srt32/master

Clarify 'this' in cli help page
Update rouge to 1.2.0

The scala lexer was included in the most recent release
Merge pull request #1041 from sgrif/sg-update-rouge

Update rouge to 1.2.0
Merge pull request #996 from pminten/elixir-zipper

Zipper exercise for Elixir
Update newrelic gem
Upgrade pry
Upgrade pony
Upgrade simplecov
added allergies test and example for go
Merge pull request #1042 from zilkey/master

added allergies test and example for go
fix typo for the path view
add accumulate erlang assignment
refactored accumulate to tail-recursive + reverse
Merge pull request #1043 from brozturk/master

fix typo for the path view
Merge pull request #1031 from wilmoore/accumulate-erlang-assignment

add erlang accumulate assignment
Added test to match the javascript exercise
Merge pull request #1045 from ahalls/objective_c_assignments

Added objective-c tests to Bob to match the javascript exercise
First exercises for the OCaml path