difftex v0.1.0

What's Changed

• Add functionality to compare .tex documents by @mihaiconstantin in #1

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Added

• Add difftex.sh script for generating track changes for .tex documents
  between different git refs.
• Add install.sh to install difftex to /usr/local/bin.
• Add CHANGELOG.md file to track notable changes.

Changed

• Update README.md with bare minimum instructions.
• Update LICENSE to include email address.

Full Changelog: https://github.com/mihaiconstantin/difftex/commits/v0.1.0