Adds support for GitHub Enterprise.

Fixes #32
changing defaults

app was breaking
Merge pull request #32 from lalitkapoor/calmdev-feature/github-enterprise

support for github enterprise
changes for v0.0.11
0.0.11
moving around options for better usage
updated readme w/ghe support
Update README.md with Grunt Plugin Info

Includes brief installation instructions as well as a reference to for further use.
Update README.md
Merge pull request #35 from streetlight/master

Update README.md with Grunt Plugin Info
fix host for non GH enterprise links
Merge pull request #36 from lalitkapoor/36-PR-links-point-to-httpsnull

PR links point to https://null/...
updated changelog
0.0.12
Fetch 100 tags per page (only 1 page for now)
Merge pull request #42 from nylen/more-tags-per-page

Fetch 100 tags per page (only 1 page for now)
0.0.13
Add option to allow specifying the changelog title
Merge pull request #45 from seegno/enhancement/add-title-option

Add option to allow specifying the changelog title
Within a release, sort changes in reverse chronological order by default

Add a new `--reverse-changes` option to use the old order (showing the
work done in the order it was done between releases).