Fix realpath posix issue (#2069)
Fix realpath posix issue (#2069)

Replaced usage of "realpath" function with posix-friendly syntax.  Tested on Mac and worked well.
cemalkilic/che,sleshchenko/che,kaloyan-raev/che,cemalkilic/che,sudaraka94/che,sunix/che,akervern/che,lehmanju/che,gazarenkov/che-sketch,cdietrich/che,cdietrich/che,jonahkichwacoders/che,bartlomiej-laczkowski/che,cemalkilic/che,cemalkilic/che,snjeza/che,snjeza/che,TypeFox/che,sudaraka94/che,cdietrich/che,sudaraka94/che,ollie314/che,sleshchenko/che,jonahkichwacoders/che,Patricol/che,sudaraka94/che,jonahkichwacoders/che,gazarenkov/che-sketch,sunix/che,Patricol/che,sunix/che,sudaraka94/che,gazarenkov/che-sketch,gazarenkov/che-sketch,Patricol/che,lehmanju/che,cdietrich/che,gazarenkov/che-sketch,davidfestal/che,jonahkichwacoders/che,cdietrich/che,Mirage20/che,davidfestal/che,snjeza/che,davidfestal/che,jonahkichwacoders/che,sudaraka94/che,codenvy/che,codenvy/che,sudaraka94/che,gazarenkov/che-sketch,lehmanju/che,Mirage20/che,sleshchenko/che,Mirage20/che,davidfestal/che,sunix/che,bartlomiej-laczkowski/che,jonahkichwacoders/che,akervern/che,bartlomiej-laczkowski/che,akervern/che,ollie314/che,davidfestal/che,akervern/che,TypeFox/che,bartlomiej-laczkowski/che,akervern/che,Patricol/che,lehmanju/che,sleshchenko/che,bartlomiej-laczkowski/che,kaloyan-raev/che,cemalkilic/che,snjeza/che,TypeFox/che,sleshchenko/che,snjeza/che,sunix/che,sunix/che,jonahkichwacoders/che,TypeFox/che,Patricol/che,bartlomiej-laczkowski/che,TypeFox/che,TypeFox/che,sleshchenko/che,cemalkilic/che,gazarenkov/che-sketch,sleshchenko/che,davidfestal/che,codenvy/che,akervern/che,sudaraka94/che,slemeur/che,Patricol/che,TypeFox/che,jonahkichwacoders/che,kaloyan-raev/che,slemeur/che,Patricol/che,kaloyan-raev/che,TypeFox/che,lehmanju/che,codenvy/che,ollie314/che,cemalkilic/che,cdietrich/che,ollie314/che,akervern/che,sunix/che,lehmanju/che,cdietrich/che,bartlomiej-laczkowski/che,akervern/che,snjeza/che,ollie314/che,cdietrich/che,Mirage20/che,slemeur/che,Mirage20/che,Patricol/che,snjeza/che,sudaraka94/che,cemalkilic/che,gazarenkov/che-sketch,sunix/che,Patricol/che,bartlomiej-laczkowski/che,cemalkilic/che,cdietrich/che,sleshchenko/che,TypeFox/che,davidfestal/che,sleshchenko/che,slemeur/che,davidfestal/che,ollie314/che,sudaraka94/che,kaloyan-raev/che,davidfestal/che,akervern/che,Mirage20/che,Patricol/che,kaloyan-raev/che,bartlomiej-laczkowski/che,TypeFox/che,slemeur/che,lehmanju/che,sleshchenko/che,snjeza/che,lehmanju/che,gazarenkov/che-sketch,davidfestal/che,jonahkichwacoders/che,lehmanju/che,snjeza/che,jonahkichwacoders/che,sunix/che