Issue/parametrize template

[edvgui]

Description

Update std::template plugin. Add support for providing variables to the template via plugin (keywork only) arguments. When such arguments are provided, completely ignore the variables present in the model.

note: to add a changelog entry and bump the version number: inmanta module release --dev [--major|--minor|--patch] [--changelog-message "<your_changelog_message>"]

Merge procedure

1. merge using the merge button
2. tag and bump

git checkout master
git pull
inmanta module release
git push
git push {tag} # push the tag as well

3. Remove the branch

Self Check:

Strike through any lines that are not applicable (~~line~~) then check the box

• [ ] Attached issue to pull request
• [x] Changelog entry
• [x] Version number is bumped to dev version
• [x] Code is clear and sufficiently documented
• [x] Sufficient test cases (reproduces the bug/tests the requested feature)
• [x] Correct, in line with design
• [x] End user documentation is included or an issue is created for end-user documentation (add ref to issue here: )