uncommented code and added a comment to .gitignore
added missing module to package.json and setVariables.sh to .gitignore
uncommented default gulp task
added displaying information about new cb value
fixed a typo and build task
changed update-translation task so it creates and checks two translations.json files
Revert "changed update-translation task so it creates and checks two translations.json files"

This reverts commit f819a50d29cd3ba468c737b656489b07a442af11.
added cacheBuster to *.html files assets paths
cleaned up gulpfile.js and moved all build steps to gulp/tasks