kurento_merge_js_project_container: add BOWER_REPOSITORY & BUILDS_HOST as container env variables
kurento_merge_js_project_container: add BOWER_REPOSITORY & BUILDS_HOST as container env variables

Change-Id: I5c1c4e4e5f9fddfa5110f9607c817b84dfe13177

Kurento/adm-scripts,Kurento/adm-scripts