Fixed a number of MODS form issues

Based on ticket #1094 in OnTime.
Add clipper to viewer controls.
Merge pull request #28 from dwilcox/7.x

Fixed a number of MODS form issues
removed duplicate form xml file and fixed a form read bug
Merge pull request #30 from DannyJoris/7.x

removed duplicate form xml file and fixed a form read bug
uncommitted code
fix merge conflict
Merge pull request #31 from DannyJoris/7.x

7.x
Merge pull request #27 from nigelgbanks/7.x-clipper

Add clipper to viewer controls.