Merge pull request #1 from NuGet/master

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

oops
Add documentation for the import targets feature and minClientVersion attribute.
Update Command-Line-Reference.markdown

Add FileConflictAction parameter to the list
Update Versioning.markdown

Add Behavior change in how NuGet updates dependency packages
Update Command-Line-Reference.markdown

Added, starting with NuGet 2.5 push to a UNC/Folder source
Update Command-Line-Reference.markdown

moved the change to new line
Update Versioning.markdown

Fix format
Update Command-Line-Reference.markdown

Moved the text to source parameter
Update Command-Line-Reference.markdown

added a new line
Update Versioning.markdown

Fix format
Update Versioning.markdown

Add new line
Update Nuspec-Reference.markdown

Added grouping explicit references
Update Versioning.markdown

Fix URL link
Update Nuspec-Reference.markdown

mixed mode references indentation fixed
Update Command-Line-Reference.markdown

Add possible values
Update Package-Manager-Console-PowerShell-Reference.markdown

Add FileConflictAction to powershell reference
Update Package-Manager-Console-PowerShell-Reference.markdown

Add space
tidy, tidy, tidy!

Rephrase per Andrew and removed disclaimer...will re-add under a
verification branch.