vcsserver: fixed some bytes issues with status command/read hooks info endpoint

vcsserver/hook_utils/__init__.py

@@ -168,8 +168,8 b' def check_rhodecode_hook(hook_path):'
     return False
 
 
-def read_hook_content(hook_path):
-    content = ''
+def read_hook_content(hook_path) -> bytes:
+    content = b''
     if os.path.isfile(hook_path):
         with open(hook_path, 'rb') as f:
             content = f.read()

vcsserver/http_main.py

@@ -447,7 +447,7 b' class HTTPApplication(object):'
 
     def status_view(self, request):
         import vcsserver
-        return {'status': 'OK', 'vcsserver_version': vcsserver.__version__,
+        return {'status': 'OK', 'vcsserver_version': str(vcsserver.__version__),
                 'pid': os.getpid()}
 
     def service_view(self, request):