added a codename

Merge branch 'dev' -> release 0.4

Merge branch 'dev'

proxenet v0.3 release

Changelog:
- Added support for Java and Tcl plugins
- Ruby plugin support is stable
- Removed support Ruby < 2 and Python < 2.5
- Extended interception features:
  - Intercept can be defined by blacklist/whitelist (option -I/-E)
  - SSL intercept can be toggled (option -N)
- Improved SSL interception:
  - Supports its own CA (minica.c/h)
  - Supports client side certificate (with/without passphrase)
- Added Internet Explorer compatibility mode
- The documentation has been fully migrated to docs/ (sync-ed with ReadTheDocs)
- Many code improvements
- Huge load of bugs fixed

proxenet goes 0.2