Remove txtBoxes
Removing unused content
Provide indication of stale platforms and ability to update them

The refresh icon is derived from this public domain icon:
 http://publicdomainvectors.org/en/free-clipart/Eco-water-recycling-vector-icon/6856.html
 -- it's actually only inspired by, this art was drawn by me using InkScape
Moved image hosting location to user owned .cordova folder.
Add validation to prevent forward slashes in image file paths.
Expose .cordova/blackberry10.json proxy settings

Relates to #6
review-changes
rename: getTargetConfig, setTargetConfig, targetConfig
rename: TargetConfig and model file
rename: route/target
rename: targetFilePath