Bump and build v3.4.3

Bump and build v3.4.2

Bump and build v3.4.1

Contains the changelog

Also contains a small fix to `gulp build` as it was using the `package.json` module field.

V3.4 (marionettejs#3411)

* Update build related dependencies

* Bump and build v3.4

Includes changelog

Bump and build v3.3.1

Includes the changelog

Bump and build v3.3

Includes changelog

Merge branch 'master' of github.com:marionettejs/backbone.marionette …

…into next

# Conflicts:
#	.travis.yml
#	bower.json
#	yarn.lock

Bump and build 3.1.0 (marionettejs#3231)

* Bump and build 3.1.0

* fix build

Bump and Build 3.0.0 (marionettejs#3139)

Bump and build v3.0.0-pre.5 (marionettejs#3094)