Nvs: text-mode interface for svn forked from tig.

It is just experiment.

What is Tig?

Tig is an ncurses-based text-mode interface for git. It functions mainly
as a Git repository browser, but can also assist in staging changes for
commit at chunk level and act as a pager for output from various Git
commands.

Resources
---------

 - Homepage:	https://jonas.github.io/tig/[]
 - Manual:	https://jonas.github.io/tig/doc/manual.html[]
 - Tarballs:	https://github.com/jonas/tig/releases[]
 - Git URL:	git://github.com/jonas/tig.git
 - Gitter:	https://gitter.im/jonas/tig[]
 - Q&A:		https://stackoverflow.com/questions/tagged/tig[]

Bugs and Feature Requests
-------------------------
Bugs and feature requests can be reported using the
https://github.com/jonas/tig/issues[issue tracker] or by mail to either
the Git mailing list or directly to the maintainer. Ensure that the word
"tig" is in the subject. For other Tig related questions please use
Stack Overflow: https://stackoverflow.com/questions/tagged/tig[].

Installation and News
---------------------

Information on how to build and install Tig are found in
link:INSTALL.{docext}[the installation instructions].

News about releases and latest features and bug fixes are found in
link:NEWS.{docext}[the release notes].