Update default.rb

Adding index.html
Create index.html

Creating the index file with my name in it
Update metadata.rb

incrementing version number
Create allenoster.txt

adding file, thanks matt
Merge pull request #45 from mattjbarlow/allenoster_dev

Allenoster dev
Challenge #3: Added name justin seubert to index.html - Fixed Rebase
Challenge #3: Added create_if_missing value.