Create TAGS for core and plugins

Now that the project is public, we should make MASTER as the default branch for cloning. We should explore if this is compatible with merging by default with devel.

Also, we should create a tag of the current version.

This is for ALL plugins and ROS packages.

added To Do (release) label

created merge request !434 (closed) to address this issue

mentioned in merge request !434 (closed)

changed title from Create TAGS and default MASTER to Create TAGS for core and plugins

merged from devel to master and tags created (v0.4.0 in core and v0.4.0.0 in plugins).

closed