DOC: examples runner script in release checklist
DOC: examples runner script in release checklist

Add examples runner to tasks to do before release.

bthirion/nipy,alexis-roche/nipy,alexis-roche/nireg,alexis-roche/nipy,arokem/nipy,bthirion/nipy,alexis-roche/register,nipy/nireg,alexis-roche/niseg,alexis-roche/niseg,arokem/nipy,bthirion/nipy,nipy/nipy-labs,alexis-roche/register,nipy/nireg,alexis-roche/nipy,arokem/nipy,arokem/nipy,alexis-roche/register,nipy/nipy-labs,alexis-roche/nireg,alexis-roche/nipy,bthirion/nipy