Kallithea 0.2.1 released

This release is a bugfix release. It fixes a security issue we've discovered, and a few minor bugs we found in 0.2.

The summary of the changes since 0.2 release is below.

  • security: Fix HTML and JavaScript injection — CVE-2015-1864
  • style: fix statistics so that the graph fits on the page
  • setup: bump mercurial requirement to 2.9
  • contributors: update list of contributors since last release