Merge pull request #2 from JBartlett86/master

Remove core from IO packages
Merge pull request #3 from JBartlett86/master

Removed SpreadSheetScanner and replaced with new Reader interface/implem...
Merge pull request #4 from JBartlett86/master

Move Model classes into there own package under core
Merge pull request #5 from JBartlett86/master

Created Writer interface, refactored the database readers to conform to ...
Merge pull request #6 from JBartlett86/master

First pass of XLSSpreadsheetWriter and Test
Updating the gitignore file to stop project build directories being pushed to repo.
Implemented new PoiJoiManager to find and instantiate required readers and writers at runtime based on the input and output strings given.
Merge pull request #1 from KarlNosworthy/master

Update to Head of Master