Update README.md
Merge pull request #57 from kstapelfeldt/patch-1

Update README.md
Use gmdate from a timestamp.
Less lies in variable names.
Merge pull request #59 from jordandukart/7.x-ISLANDORA-1078

Use gmdate from a timestamp.
Address ISLANDORA-1104
Merge pull request #62 from ruebot/7.x-ISLANDORA-1104

Address ISLANDORA-1104 - merged.