Adding a new string to a project (useful for vocabularies).
Enabling actions add_string/del_string.
Fixing del_string
Moved add_string/del_string from translations to project resources.
Testing project/add_string.
Calling project/add_string for adding vocabulary terms.
Send notifications when a new term is added.
Updated docs.
Merge pull request #15 from dashohoxha/add-string

Adding a new string to a project (useful for vocabularies).