fixed format test opf & nav files naming of tests.

fixed typos in opf & nav test files so their naming of tests is correct.
fixed nav file so fixed format test is named ok
fixed typos in fixed-format tests

fixed the .opf and .nav files so they refer to correct test names.
slighly cleaned up other language.
Merge branch 'sony' of https://github.com/joelstricklandsony/epub-testsuite into sony
Merge pull request #37 from joelstricklandsony/sony

Sony branch fixed typos in fixed format tests