Fix distro entries.

Show Rekall flows when Rekall is enabled, Use jinja2 for email templa…

…tes, Set Rekall.enabled during config init.

Fix tests and deb building pre-release.

Packaging fixes for rc2. UI improvements.

3.1.0rc1 release

- pypi setup.py files
- minor bugfixes

Last 0.3.0-7 stable commit

This is server 0.3-6.

- Some bugfixes to the server build process.
- Changing the client search to return all clients when searching for
- "." or the empty string.