`ogma-core`: Replace mentions of the Sample App. Refs #105.

[ivanperez-keera]

Replace all mentions of the Sample App in the code and the template with mentions of the Copilot app, as prescribed in the solution proposed for #105.

[ivanperez-keera]

Change Manager: Verified that:

• Solution is implemented:

  • [X] The code proposed compiles passes the tests. Details: Docker image:

    
    FROM ubuntu:trusty

  RUN apt-get update

  RUN apt-get install --yes software-properties-common RUN add-apt-repository ppa:hvr/ghc RUN apt-get update

  RUN apt-get install --yes ghc-8.6.5 cabal-install-2.4 RUN apt-get install --yes libz-dev

  ENV PATH=/opt/ghc/8.6.5/bin:/opt/cabal/2.4/bin:$PWD/.cabal-sandbox/bin:$PATH

  RUN cabal update RUN cabal v1-sandbox init RUN cabal v1-install alex happy RUN apt-get install --yes git

  We install the application first and then test it, in case any tests need to

  run the tool.

  CMD git clone $REPO && \ cd $NAME && \ git checkout $COMMIT && \ cd .. && \ cabal v1-install $NAME/$PAT/ --enable-tests && \ cabal v1-install $NAME/$PAT/ --enable-tests --run-tests -j1

  Command:
  ```sh
  $ docker run -e "REPO=https://github.com/ivanperez-keera/ogma" -e "NAME=ogma" -e PAT="ogma-" -e "COMMIT=96bc35da1452014de074ec13361048a9cb9d787f" -it ogma-test

  • [X] The solution proposed fixes the issues described. Details: The following Dockerfile searches for all mentions of the sample app in all files, printing the word Success if none are found.

    
    FROM ubuntu:focal

  RUN apt-get update

  RUN apt-get install --yes git

  SHELL ["/bin/bash", "-c"] CMD git clone $REPO \ && cd $NAME \ && git checkout $COMMIT \ && ! grep -niHre 'sample.\?app' --exclude='CHANGELOG.md' ogma** \ && echo "Success"

  Command:
  ```sh
  $ docker run -e "REPO=https://github.com/ivanperez-keera/ogma" -e "NAME=ogma" -e PAT="ogma-" -e "COMMIT=96bc35da1452014de074ec13361048a9cb9d787f" -it ogma-verify-105

• [X] Implementation is documented. Details: No changes needed.
• [X] Change history is clear.
• [X] Commit messages are clear.
• [X] Changelogs are updated.
• [X] Examples are updated. Details: No examples affected.
• [X] Required version bumps are evaluated. Details: Bump needed (the generated app has a different name in cFS).