Added option to ignore casing of filenames.

Closes #1
Bumped version number - v1.1.0
Updated README.

Included the '--ignorecase" option.
Included saved PNG of the logo.

Updated references in the NuSpec manifests.
Updated NuGet package references.

Updated MSBuild script.
Moved the 'using' references inside the namespace block.
Added `Verbose` text output.
Code amends and README updates
Merge pull request #2 from leekelleher/develop

Merge with "develop" branch