Remove details of Commons IO, as it is not used

Remove Apache Commons IO as dependency as it is (currently) not being used
Add link to ffmpeg binaries
Update README.md
Update .gitignore
Add JDK7 and JDK8 as platforms
Revert "Add JDK7 and JDK8 as platforms"

This reverts commit 09df3d5843d2f5f0ad50944ebc1d51f19b2cf648.
Change project to JDK 7
Fix Commons Exec location
Change main method for JDK 7

Removed lamda expression and replace with anonymous method
Remove hardcoded paths and debug stuff

Remove all parts of code that use some hardcoded path
Merge pull request #4 from cshubhamrao/master

Include changes relating to general project structure