Change a few "PackageManifest" variables into "PackageInfo" for my own sanity

Change a few "PackageManifest" variables into "PackageInfo" for my own sanity
Remove the -Confirm from the "Upgrade-Module PoshCode" in the install.ps1 script
Fix nuget packages so a) we read dependencies from them and b) we update them on each release
Fix bugs, ensure all manifests are always packed
+ Invalid OutputPath was failing too late
+ Mismatches in file lists weren't reported
Fix sample registry
Refactor the parsing of Nuget spec and moduleInfo files (extract common code)

Refactor the parsing of Nuget spec and moduleInfo files (extract common code)
Update New-InstallScript
Move Set-PackageProperties inside try to ensure it always gets cleaned up.
Don't sign manifests when packing with New-InstallScript
SCARY: Fix bugs reading module info
1) Modules that weren't loaded already were missing RequiredModules
2) Modules that were already loaded had "current" version on dependencies instead of "required" version
Increment version number

Increment version number