Supported running cindex and csearch over Tramp
Merge pull request #10 from kgorelov/master

Supported running cindex and csearch over Tramp
Using reasonable default value for codesearch-csearchindex
Added function to clear/reset index.
Fixed incorrect URL in emacs header.
Improved installation instructions.
Added support for passing extra flags to cindex.

This includes refactoring the existing cindex-based commands to use a
common implementation.