Merge branch 'hotfix/1.0.1'
Added Submodules.md
Added Submodules.md to generate scripts
Added instructions on basic submodule use.
Merge branch 'feature/submodules' into develop
Added information about differences between remote and local work to Git Commands.md
Added instructions to install git-flow in Lesson Overview.md
Updated CHANGELOG.md
Generated complete lesson output
Merge branch 'release/1.1.0'
Merge tag '1.1.0' into develop

1.1.0
Added instructions to install doxygen in Lesson Overview.md
Added instruction on using Doxygen to Commenting.md
Merge branch 'feature/doxygen' into develop
Updated CHANGELOG.md
Generated complete lesson documents
Merge branch 'release/1.2.0'
Merge tag '1.2.0' into develop

1.2.0