Leginon System version 30

Version 3.0 formally switch web image support from php-mrc to redux so that the default linux installation OS is now CentOS 6.

Biggest new feature is K2 Summit camera support and frame alignment found in Appion.

Detailed changes

1. pyscope Changes 3.0
2. New User Features 3.0
3. Bug Fixes 3.0
4. Known Bugs 3.0