started to add internationalization again
Unnecessary JFrame and JDesktopPane removed from GUI members. Reduce
memory usage.
Language selection implemented. Borders' title do not change when
language change. The menu structure has been rearranged and the code has
been slightly cleaned.
Comments.
added a task marker for panels' title.
Merge branch 'master' of
https://github.com/beloitcollegecomputerscience/foldr.git

Conflicts:
	src/foldr/main/Driver.java
	src/foldr/main/GUI.java