[DRE-maint] ruby-excon is marked for autoremoval from testing

[Debian testing autoremoval watch]

ruby-excon 0.32.1-1 is marked for autoremoval from testing on 2014-06-10

It is affected by these RC bugs:
746079: ruby-excon: FTBFS: ERROR: Test "ruby2.0" failed: no implicit conversion from nil to integer (TypeError)