add curl binary
add a simple script that updates myget build tools and myget.include.ps1
add missing nunit version
Add MyGet-Clr-To-TargetFramework
die if nunit could not be found
Add MyGet-AssemblyInfo which is a powershell implementation derived from Mono.Cecil
that has the ability to read miscellaneous information from a binary.

Sample output:
----------------
ProcessorArchitecture : AnyCpu
PEFormat              : PE32
Filename              : D:\sample.solution.mixedplatforms\1.0.0\x86\Release\v4.5\sample.solution.mixedplatforms.x86.exe
ModuleKind            : Console
ModuleAttributes      : {ILOnly, Required32Bit}
MinorRuntimeVersion   : 5
MajorRuntimeVersion   : 2
ModuleCharacteristics : {HighEntropyVA, DynamicBase, NoSEH, NXCompat...}
TargetFramework       : NET45
Add support for running nunit tests.