Proposed F19 Feature: Guile2

[Jaroslav Reznik]

= Features/Guile2 =
https://fedoraproject.org/wiki/Features/Guile2

Feature owner(s): Jan Synacek

Update GNU Guile to version 2.0.x in Fedora 19.

== Detailed description ==
Current guile package will be upgraded to 2.0.x.

compat-guile18 package will provide additional time for the 
packages to be ported to guile-2.0.x.