fixed bun-c.peg

add bun-c.peg file

remove toplevel tag

remove DeclarationSpecifiers tag

remove Declaration tag

fixed InitDeclarator tag

fixed Type tag

fixed array size

remove Declarator tag

remove declaration tag

remove initdeclaratorlist tag

remove Initializer tag

restore Main.java
insert #empty node bug in bun-c.peg
Merge pull request #47 from masakiishii/bun-c

fixed tags in bun-c.peg