Merge pull request #1 from duke-libraries/tweak-reload

Added documentation to ClamAV adapter and tweaked the `reload!` method
Bumped version to 1.0.2
Merge branch 'develop'
Bumped version to 1.1.0
Merge branch 'release-1.2'

Conflicts:
	lib/ddr/antivirus/version.rb
Use `which -a` for compatibility

Bump version to 1.2.1
Merge branch 'hotfix-which' into develop

Conflicts:
	lib/ddr/antivirus/version.rb