Riscof

Fixed
- Removed stray text in flow diagram.
- docs for pdf generation.

Changed
- Uses *rifle* instead of *rips* subpackage.
Removed
- *rips* module is no longer a subpackage.
- Examples folder removed from the repository.

Fixed
- Fixed setup.py for pypi compatibility.

Added
- MANIFEST.in file added.

Changed
- `setup.py` modified to add suite properly.
- Package requirements updated appropriately.
- gitlab-cicd to use version-extract.py for generating tags.

Fixed
- Errors in quickstart documentation.

Added
- Links to yaml specifications in the report.
- Background to the flow picture.
- WIP indication in docs for user features.

Added
- `--setup` option to generate setup files in *pwd*.
- Added support for separate environment files for model and standard macros.
- New model specific macros.

Changed
- Configuration for riscof is taken through `config.ini` file in the *pwd*.
- Suite directory structure to follow the standard.
- Moved `C` and `A` extension tests to *wip* folder.
- Modified macros into new `RVTEST_` and `RVMODEL_` prefixed macros.
- Macro list for compile now passed as a list instead of `-D` prefixed string.

Removed
- Clean up of macro definitions to ensure bare minimum and necessary code for testing.