Merge pull request #248 from justin-edwards/readme-cleanup

Readme cleanup
Add Slovenian number to words.
Add #247 pr to release notes.
Fixed the pr number.
Fixed release notes.
Tidy up: fixed curly braces and removed unneeded else statements.
Changed encoding for NumberToWords file.
Merge branch 'slovenian-NumberToWords'
made formatter factories public per #150
Add PR 227 to release notes
Moved factory collections to their own classes, allowed public access via Configurator, and made the default factories lazy loaded
Extracted interfaces, added generic FactoryManager and renamed several classes and properties
changed the signature of factories & fixed the build
minor refactoring
simplified the registration mechanism & removed Localiser
enforcing default localiser in LocaliserRegistry's ctor
added a Register overload with Func<>
updated the release-notes to match the recent changes
fixed rebase issues
Merge branch 'factories'