Removed dos2unix; the autograder does fine without it (tested Project 1...

Removed dos2unix; the autograder does fine without it (tested Project 1 Letterman), both source code and test files, and it produces headaches for students (especially those using Mfile)

Makefile

@@ -139,13 +139,12 @@ clean:
       $(PARTIAL_SUBMITFILE) $(FULL_SUBMITFILE) $(PERF_FILE)
 	rm -Rf *.dSYM
 
-# make partialsubmit.tar.gz - cleans, runs dos2unix, creates tarball
+# make partialsubmit.tar.gz - cleans, creates tarball
 # omitting test cases
 PARTIAL_SUBMITFILES=$(filter-out $(TESTSOURCES), \
                       $(wildcard Makefile *.h *.hpp *.cpp))
 $(PARTIAL_SUBMITFILE): $(PARTIAL_SUBMITFILES)
 	rm -f $(PARTIAL_SUBMITFILE) $(FULL_SUBMITFILE)
-	-dos2unix $(PARTIAL_SUBMITFILES)
 	COPYFILE_DISABLE=true tar -vczf $(PARTIAL_SUBMITFILE) \
       $(PARTIAL_SUBMITFILES)
 	@echo !!! WARNING: No test cases included. Use 'make fullsubmit' to include test cases. !!!
@@ -156,7 +155,6 @@ FULL_SUBMITFILES=$(filter-out $(TESTSOURCES), \
                    $(wildcard Makefile *.h *.hpp *.cpp test*.txt))
 $(FULL_SUBMITFILE): $(FULL_SUBMITFILES)
 	rm -f $(PARTIAL_SUBMITFILE) $(FULL_SUBMITFILE)
-	-dos2unix $(FULL_SUBMITFILES)
 	COPYFILE_DISABLE=true tar -vczf $(FULL_SUBMITFILE) $(FULL_SUBMITFILES)
 	@echo !!! Final submission prepared, test cases included... READY FOR GRADING !!!