Cache bundler on TravisCI (#531)
Cache bundler on TravisCI (#531)

* Cache bundler on TravisCI

* Cache yarn again

* Properly cache directories

* Debug which path gems are being installed to

* Try to force the bundle path

* Try to fix the bundle path, again

* Debug value of $BUNDLE_PATH, hardcode path for bundle install

* Correctly debug env var

* Remove debug entries

Hilfe/decidim,Hilfe/decidim,AjuntamentdeBarcelona/decidim,mainio/decidim,mainio/decidim,mainio/decidim,decidim/decidim,AjuntamentdeBarcelona/decidim,AjuntamentdeBarcelona/decidim,AjuntamentdeBarcelona/decidim,Hilfe/decidim,mainio/decidim,codegram/decidim,mainio/decidim,codegram/decidim,codegram/decidim,Hilfe/decidim,decidim/decidim,codegram/decidim,decidim/decidim