added an upload image capability, addresses #30 and #24
Merge branch 'develop' of https://github.com/ben-bougher/pickr into develop
fixed broken query on results page
added comments to image uploads, addresses #6
fixed HTML; broke object
fixed extra database field
changes green lines to mmorph heatmap
adding mmorph heatmap to png
serving non-MPL heatmap as 1 channel grayscale (not sized correctly)