Merge pull request #1 from NuGet/master

merging in the official repo changes
Wording updates, disclaimer on packages.config
grammar

oops
tidy, tidy, tidy!

Rephrase per Andrew and removed disclaimer...will re-add under a
verification branch.
Pedantic alignment :)
Merge pull request #73 from MisterJames/master

Wording updates, disclaimer on packages.config