Merge branch 'hotfix/0.0.1' into develop
Added abbreviations and key mappings.
Added new plugins to .vimrc.
Added some plugins to vimrc.

And fixed fileencoding.
Merge branch 'feature/improve_vimrc' into develop
Improved README.md.
Merge branch 'feature/rewrite_readme' into develop
Added .gitignore file.
Added make commands.
Merge branch 'feature/gitignore' into develop
Merge branch 'develop'