added language files as submodule

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "data/languages"]
+	path = data/languages
+	url = git://github.com/teeworlds/teeworlds-translation.git

data/languages

@@ -0,0 +1 @@
+Subproject commit 0ed1dd2ca9c3d3cae9863a3618202872da10d31b

scripts/update_localization.py

@@ -0,0 +1,101 @@
+import os, re, sys
+match = re.search('(.*)/', sys.argv[0])
+if match != None:
+	os.chdir(match.group(1))
+
+source_exts = [".c", ".cpp", ".h"]
+content_author = "##### authors #####\n#originally created by:\n#\n#modified by:\n#\n##### /authors #####\n".encode()
+
+def parse_source():
+	stringtable = {}
+	def process_line(line):
+		if 'Localize("'.encode() in line:
+			fields = line.split('Localize("'.encode(), 1)[1].split('"'.encode(), 1)
+			stringtable[fields[0]] = ""
+			process_line(fields[1])
+
+	for root, dirs, files in os.walk("src"):
+		for name in files:
+			filename = os.path.join(root, name)
+			
+			if os.sep + "external" + os.sep in filename:
+				continue
+			
+			if filename[-2:] in source_exts or filename[-4:] in source_exts:
+				for line in open(filename, "rb"):
+					process_line(line)
+
+	return stringtable
+
+def load_languagefile(filename):
+	f = open(filename, "rb")
+	lines = f.readlines()
+	f.close()
+
+	stringtable = {}
+	authorpart = 0
+	global content_author
+
+	for i in range(0, len(lines)-1):
+		l = lines[i].strip()
+		if authorpart == 0 and l == "##### authors #####".encode():
+			authorpart = 1
+			content_author = l + "\n".encode()
+		elif authorpart == 1:
+			if l == "##### /authors #####".encode():
+				authorpart = 2
+			content_author += l + "\n".encode()
+		elif len(l) and not l[0:1] == "=".encode() and not l[0:1] == "#".encode():
+			stringtable[l] = lines[i+1][3:].rstrip()
+
+	return stringtable
+
+def generate_languagefile(outputfilename, srctable, loctable):
+	f = open(outputfilename, "wb")
+
+	num_items = 0
+	new_items = 0
+	old_items = 0
+
+	srctable_keys = []
+	for key in srctable:
+		srctable_keys.append(key)
+	srctable_keys.sort()
+
+	content = content_author
+	content += "\n##### translated strings #####\n\n".encode()
+	for k in srctable_keys:
+		if k in loctable and len(loctable[k]):
+			content += k + "\n== ".encode() + loctable[k] + "\n\n".encode()
+			num_items += 1
+
+	content += "##### needs translation #####\n\n".encode()
+	for k in srctable_keys:
+		if not k in loctable or len(loctable[k]) == 0:
+			content += k + "\n== \n\n".encode()
+			num_items += 1
+			new_items += 1
+
+	content += "##### old translations #####\n\n".encode()
+	for k in loctable:
+		if not k in srctable:
+			content += k + "\n== ".encode() + loctable[k] + "\n\n".encode()
+			num_items += 1
+			old_items += 1
+
+	f.write(content)
+	f.close()
+	print("%-40s %8d %8d %8d" % (outputfilename, num_items, new_items, old_items))
+
+srctable = parse_source()
+
+print("%-40s %8s %8s %8s" % ("filename", "total", "new", "old"))
+
+for filename in os.listdir("data/languages"):
+	if not ".txt" in filename:
+		continue
+	if filename == "index.txt" or filename == "license.txt" or filename == "readme.txt":
+		continue
+
+	filename = "data/languages/" + filename
+	generate_languagefile(filename, srctable, load_languagefile(filename))