Fix description for "Incorrect spelling of a word"
Fix description for "Incorrect spelling of a word"

There is a incorrect spelling of a word in thefile called
ceilometer/doc/source/releasenotes/folsom.rst(line26).
  It is curently tested to work with OpenStack 2012.2 Folsom.
I think the word "curently " should be spelled as "currently".

Change-Id: I39f413e2fb6602cab828c87779826654296768f2
Closes-Bug: #1488766

fabian4/ceilometer,maestro-hybrid-cloud/ceilometer,redhat-openstack/ceilometer,cernops/ceilometer,fabian4/ceilometer,openstack/ceilometer,idegtiarov/ceilometer,eayunstack/ceilometer,openstack/ceilometer,idegtiarov/ceilometer,cernops/ceilometer,redhat-openstack/ceilometer,maestro-hybrid-cloud/ceilometer,eayunstack/ceilometer,ityaptin/ceilometer,isyippee/ceilometer,isyippee/ceilometer,ityaptin/ceilometer