stashing find usage changes
fixed merge
more progress made on find usages. Still not working :(
Remove Microsoft.Build.dll dependency for Linux support

	new file:   Microsoft.Build.Evaluation/Microsoft.Build.Evaluation.csproj
	new file:   Microsoft.Build.Evaluation/Project.cs
	new file:   Microsoft.Build.Evaluation/ProjectItem.cs
	new file:   Microsoft.Build.Evaluation/Properties/AssemblyInfo.cs
	modified:   OmniSharp.sln
	modified:   OmniSharp/OmniSharp.csproj
update to find usages. almost works
Fix paths in unix (TODO should use MONO var)

	modified:   OmniSharp/Solution/CSharpProject.cs
Merge pull request #1 from zenakuten/master

Remove Microsoft.Build.dll dependency for Linux support
More pathing fixes, hintpath works again

	modified:   Microsoft.Build.Evaluation/ProjectItem.cs
	modified:   OmniSharp/Solution/CSharpProject.cs
Merge pull request #2 from zenakuten/master

committed too soon :)
Modified completion request code to use line-column positions instead of character offsets.
Updated unit tests to be compatible with new completion request position format.
Merge pull request #3 from waedt/master

Use line-column positions instead of character offset for completion requests
testing Travis
Finished find usages
Merge branch 'findusages'
updated readme
updated vimscript for findusages
revered vimscript to @waedt version
reverted vimscript to @waedt version
results from find usages should be a concurrent collection