initial commit

Very rough and full of clutter in some places and glaring holes in
others, but it's a start!
ImageTree and MobileJSON

changed getPath to getWebPath in plugins
Oops
Revert "Oops"

This reverts commit 1b3c437acd30f6eddc54474f525a03a9754f12a6.
Migrated to class-based plugin definition
Removed VIM swap files
Adjusted item browse looping to work with 2.0
Added description to the JSON output
Updated to work with Omeka v2.0
Beautifying and cleansing

The plugin is still working correctly, I just felt like cleaning up
some things that I thought looked like they needed pruning.
[tours/show] Fixed output
Added tour description to exported data
Version bump
COMPLETED upgrade 2.0
Merging latest.

This is an 'ours' strategy merge just to get more recent changes into
a git-accessible location.