Use runtime arguments to specify boot filename.
Check arg count before attempting to access it.
Fixed indents
Merge pull request #13 from archshift/master

Use runtime arguments to specify boot filename.
README: Update wiki links
Merge pull request #4 from archshift/patch-1

README: Update wiki links
Merge branch 'master' of https://github.com/bunnei/citra
Merge branch 'master' of https://github.com/citra-emu/citra