use version number instead of release in .travis.yml

[tkelman]

release will change over time, but your REQUIRE file says this package supports julia 0.5 so it should continue to be tested

[coveralls]

Coverage remained the same at 82.143% when pulling 9c36fd9 on tkelman:travisver into 5150cb6 on alecloudenback:master.

[codecov-io]

Codecov Report

Merging #3 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master       #3   +/-   ##
=======================================
  Coverage   82.14%   82.14%           
=======================================
  Files           3        3           
  Lines          56       56           
=======================================
  Hits           46       46           
  Misses         10       10

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