Standardised ionic README file
Renamed NeoMAD functions to improve readability

Makes it clear when code is referring to ambiguous locations and
geographic location (long., lat.).
Simplified code in NeoMAD

As `parseLocation` is always true, and should never be false, the if block
can be simplified.
Improved readability for NeoMAD on Windows Phone 8
Fixed xamarin-mvvmcross project files

When code is check out for the first time, nuget packages are checkout out
to a folder called `packages` at the root of the solution.  Previously the
project assumed the nuget packages were in the
`PropertyCross.Core/packages` folder.
Prepared xamarin-mvvmcross package files