fix travis build, bad gitmodules urls

.gitmodules

@@ -1,31 +1,31 @@
 [submodule "lunit"]
 	path = lunit
-	url = git@github.com:ennorehling/lunit.git
+	url = https://github.com/ennorehling/lunit.git
 [submodule "cmake"]
 	path = cmake
-	url = git@github.com:ennorehling/cmake.git
+	url = https://github.com/ennorehling/cmake.git
 [submodule "quicklist"]
 	path = quicklist
-	url = git@github.com:ennorehling/quicklist.git
+	url = https://github.com/ennorehling/quicklist.git
 [submodule "critbit"]
 	path = critbit
-	url = git@github.com:ennorehling/critbit.git
+	url = https://github.com/ennorehling/critbit.git
 [submodule "dlmalloc"]
 	path = dlmalloc
-	url = git@github.com:ennorehling/dlmalloc.git
+	url = https://github.com/ennorehling/dlmalloc.git
 [submodule "cutest"]
 	path = cutest
-	url = git@github.com:ennorehling/cutest.git
+	url = https://github.com/ennorehling/cutest.git
 [submodule "iniparser"]
 	path = iniparser
-	url = git@github.com:ennorehling/iniparser.git
+	url = https://github.com/ennorehling/iniparser.git
 [submodule "cJSON"]
 	path = cJSON
-	url = git@github.com:ennorehling/cJSON.git
+	url = https://github.com/ennorehling/cJSON.git
 [submodule "storage"]
 	path = storage
-	url = git@github.com:ennorehling/storage.git
+	url = https://github.com/ennorehling/storage.git
 	branch = master
 [submodule "tolua"]
 	path = tolua
-	url = git@github.com:ennorehling/tolua.git
+	url = https://github.com/ennorehling/tolua.git