Adding warning for running from bare cmd
Call ImmutableList<T>.AddRange from ConvertAll and FindAll

Replace any remaining calls to ImmutableList<T>+Node.Add and
ImmutableList<T>+Builder.Add from within a loop to calls to the
equivalent AddRange method
Remove import of System.Linq, reference namespace explicitly.
Sort methods on Array, List<T>, and other core collections accept null comparers. This is not the case for immutable collections, despite what the doc comments claim. This change fixes the inconsistency buy allowing null comparers being passed to Sort methods of the immutable collections.
Update ImmutableArray`1+Builder.cs
Add directory links for SR.cs files to they appear under the Resources folder in VS.
Merge pull request #143 from weshaggard/LinkSR

Add directory links for SR.cs files so they appear under the Resources folder in VS
Fix misspelled Utf8NullTerminatedStringStartsWithAsciiPrefix
Fix comment typos in MemoryBlock
Fix misspelled test Utf8NullTerminatedStringStartsWithAsciiPrefix
Pointed to corefx contrib guide on wiki instead of microsoft/dotnet
Merge pull request #153 from davkean/master

Pointed to corefx contrib guide on wiki instead of microsoft/dotnet
Remove unnecessary allocations

While looking at string allocations in our code base,
I noticed a couple that can be trivially avoided in the XML libraries.
Merge pull request #151 from KrzysztofCwalina/dotnet2

Removes some string-related allocations from XML libraries
Fast implementation of Hamming weight

The target method: System.Reflection.Internal.BitArithmetic.CountBits
Old implementation uses 24 arithmetic operations
New fast implementation uses 12 arithmetic operations
Merge pull request #140 from KrzysztofCwalina/dotnet1

Allow null comparer to be passed to ImmutableArray<T>.Sort
Replace '? :' operator with '??'
Merge pull request #160 from LukaszWolanin/master

Replace '? :' operator with '??'
System.Xml.XDocument Typos

System.Xml.XDocument Typos removed tabs in typo fixes
System.Xml.XmlDocument Typos

System.Xml.XmlDocument removed tabs from typo fixes