Fix issue #8 (thanks to IAmATeaf)
Fix issue #8 (thanks to IAmATeaf)

isMountedInRW api seem to fail
IAmATeaf rewrote it in a more elegant and reliable way

tension9000/e2openplugin-CrossEPG,tension9000/e2openplugin-CrossEPG,vetalypp/e2openplugin-CrossEPG,oe-alliance/e2openplugin-CrossEPG,E2OpenPlugins/e2openplugin-CrossEPG,oe-alliance/e2openplugin-CrossEPG,vetalypp/e2openplugin-CrossEPG,E2OpenPlugins/e2openplugin-CrossEPG,E2OpenPlugins/e2openplugin-CrossEPG,tension9000/e2openplugin-CrossEPG,tension9000/e2openplugin-CrossEPG,oe-alliance/e2openplugin-CrossEPG,oe-alliance/e2openplugin-CrossEPG,E2OpenPlugins/e2openplugin-CrossEPG,E2OpenPlugins/e2openplugin-CrossEPG,vetalypp/e2openplugin-CrossEPG,tension9000/e2openplugin-CrossEPG,vetalypp/e2openplugin-CrossEPG,vetalypp/e2openplugin-CrossEPG