fix spelling + refactoring
Update README.md

Added contribution section and some to-do's.
Update README.md

Updated formatting.
Merge pull request #5 from MaherJendoubi/master

fix spelling and some code re-formatting.
Revert "fix spelling"
Merge pull request #6 from Injac/revert-5-master

Revert "fix spelling"
Fixed RightAreaVisibilityChanged. Null reference exception was thrown at design time, if a new SplitButton instance was placed on the page.
Merge pull request #8 from Injac/development

Development
Added Changelog
Apply StyleCop, generate documentation.
Merge pull request #11 from saramgsilva/master

Apply StyleCop, generate documentation.
Add metadata for nuget, cmd for generate nuget, license.
Add reference for helpers
Merge pull request #13 from saramgsilva/patch-1

Add reference for helpers
Merge pull request #12 from saramgsilva/master

Add metadata for nuget, cmd for generate nuget, license.
Changed nuspec file to point to the right project URL and changed the Nuget icon.
Merge pull request #14 from Injac/development

Changed nuspec file to point to the right project URL and changed the Nu...