update GoSquared w/ `identify` method
Removing unnecessary temp variable
Updating contributing.md
contributing: segment.io -> segment.com
Merge pull request #438 from segmentio/fix/kissmetrics

Removing unnecessary temp variable
Merge pull request #433 from simontabor/gosquared-people

Update GoSquared w/ `identify` method
Release 1.3.4
deps: update duo
add segment
Typo, language fixes
add GA support for explicitly passed campaign params
Merge pull request #441 from segmentio/add/segment

add segment
Merge pull request #444 from segmentio/fix/ga-utm

adds GA support for explicitly passed campaign info
Release 1.3.5
 combination of 8 commits.
piwik: add event tracking

add tests

piwik: fix brackets in test

piwik fix tests

value fallback to revenue

add comma

fix tests

finalize tests
Merge branch 'piwik-events' of https://github.com/segmentio/analytics.js-integrations into piwik-events