Fix spelling of "subtract"; see e.g. <http://english.stackexchange.com/questions/3640/is-substract-versus-subtract-a-proper-word>.
Update main.qml

This will remove an additional warning about Components being preferred
Merge pull request #6 from lanurmi/spellingfix

Fix spelling of "subtract"
Merge pull request #7 from alien999999999/master

Update main.qml
At least *.spec and *.sh files need to have LF as the end-of-line character even on Windows, otherwise strange errors will occur.
Add a a comment explaining why certain files should always have LF line-endings.
Merge pull request #9 from lanurmi/eolfix

Add .gitattributes to specify line-ending style for certain files