Added distfile to gitignore and gitignore to distfile

.gitignore

@@ -10,3 +10,4 @@ types.ml
 lexer.ml
 parser.ml
 parser.mli
+*.tgz

Makefile

@@ -20,7 +20,8 @@ CIVVM := ../bin32/civvm
 CIVCC := ../civicc
 
 DIST_TGT := civicaml.tgz
-DIST_FILES := $(RESULT) $(SOURCES) Makefile OCamlMakefile README.md test bin32
+DIST_FILES := $(RESULT) $(SOURCES) Makefile OCamlMakefile README.md test bin32 \
+	.gitignore
 
 .PHONY: myclean check dist