Removed coverage directory from SVN and added ignore for it. Necessary because running 'rake spec:rcov' will delete and recreate the directory, which upsets SVN if that directory is under version control.
Removed coverage directory from SVN and added ignore for it. Necessary because running 'rake spec:rcov' will delete and recreate the directory, which upsets SVN if that directory is under version control.

git-svn-id: 8ae0a6b396effb9e2d04f216330b631e689e8608@583 54c6411d-1744-0410-a9eb-b99409f43359

botandrose/calagator,botandrose/calagator,botandrose/calagator,botandrose/calagator