Added DeltaCompressionDotNet as NuGet dependency
Merge pull request #144 from flagbug/patch-1

Added DeltaCompressionDotNet as NuGet dependency
Just write to stderr if the log file is locked

If we call Update.exe within a --squirrel-install callback, we'll have
a locked logfile. Just keep trucking.
Handle proxy servers. Fixes #146
Version bump to 0.7.1
Startup Items
 - Changed StartUp to Startup
 - Removed Path.Combine
Merge pull request #151 from BarryThePenguin/master

Startup Items
NuGet
- bump dependencies
Missed nuspec
Merge pull request #153 from BarryThePenguin/master

NuGet