SessionCommand_FileTest: bad args for value()

Also changed file & submit elements to have IDs, updated test accordingly
SessionCommand_FileTest: corrected banner path

relative to phpunit-selenium/
Also, did not realize that the file upload breaks if the input does not have a name attribute - fixed
SessionCommand_FileTest: simplified
Pull request #248
Merge remote-tracking branch 'chr0n1x/master'
Coding standards for pull request #248
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