bump version: next release from branch will be 0.6.1
bump version: next release from branch will be 0.6.1

git-svn-id: 61fd7da5bf69289411929730428131ac1ed6e691@520 1168706f-7e1d-44e7-b746-9e172b5a9a2f

emory-libraries/eulcore-history,emory-libraries/eulcore-history