Merge pull request #4 from rohancragg/master

Added usage of and new requirement to ExcelStorage.ShouldStopOnRow
Merge pull request #5 from rohancragg/master

Common base class for ExcelStorage
Change the test from Ignored to Excel category (that category is excluded in TeamCity)
Resharper Settings
Fixing some signing issues
Added some tests for NPOI No one pass for the format
vs2012 is same that the standard solution
New ILMerge version
Incrementing Version
ExamplesFramework enhaces
Refactor Namespaces of the ExamplesFx
Added a property called Sheets to ExcelStorage so that rows
can be extracted from all work sheets in an excel file.
File is now closed after retrieving worksheet names through the Sheets property.
Also, removed the garbage collector calls from the CloseAndCleanUp method.
Merge pull request #6 from BraveSirAndrew/master

Exposed WorkSheets
correct name of attribute needed for null values
git fetch upstream
git merge upstream/master