vendor: update all dependencies except Azure SDK

The Azure SDK doesn't support Go 1.5 anymore. We can't upgrade it until
Go 1.8 comes out.

vendor/github.com/gizak/termui/config.py

@@ -0,0 +1,79 @@
+#!/usr/bin/env python3
+
+# use v6;
+#
+# my $copyright = '// Copyright 2016 Zack Guo <gizak@icloud.com>. All rights reserved.
+# // Use of this source code is governed by a MIT license that can
+# // be found in the LICENSE file.
+#
+# ';
+#
+# sub MAIN('update-docstr', Str $srcp) {
+#     if $srcp.IO.f {
+#         $_ = $srcp.IO.slurp;
+#         if m/^ \/\/\s Copyright .+? \n\n/ {
+#             unless ~$/ eq $copyright {
+#                 s/^ \/\/\s Copyright .+? \n\n /$copyright/;
+#                 spurt $srcp, $_;
+#                 say "[updated] doc string for:"~$srcp;
+#             }
+#         } else {
+#             say "[added] doc string for "~$srcp~" (no match found)";
+#             $_ = $copyright ~ $_;
+#             spurt $srcp, $_;
+#         }
+#     }
+# }
+
+import re
+import os
+import io
+
+copyright = """// Copyright 2016 Zack Guo <zack.y.guo@gmail.com>. All rights reserved.
+// Use of this source code is governed by a MIT license that can
+// be found in the LICENSE file.
+
+"""
+
+exclude_dirs = [".git", "_docs"]
+exclude_files = []
+include_dirs = [".", "debug", "extra", "test", "_example"]
+
+
+def is_target(fpath):
+    if os.path.splitext(fpath)[-1] == ".go":
+        return True
+    return False
+
+
+def update_copyright(fpath):
+    print("processing " + fpath)
+    f = io.open(fpath, 'r', encoding='utf-8')
+    fstr = f.read()
+    f.close()
+
+    # remove old
+    m = re.search('^// Copyright .+?\r?\n\r?\n', fstr, re.MULTILINE|re.DOTALL)
+    if m:
+        fstr = fstr[m.end():]
+
+    # add new
+    fstr = copyright + fstr
+    f = io.open(fpath, 'w',encoding='utf-8')
+    f.write(fstr)
+    f.close()
+
+
+def main():
+    for d in include_dirs:
+        files = [
+            os.path.join(d, f) for f in os.listdir(d)
+            if os.path.isfile(os.path.join(d, f))
+        ]
+        for f in files:
+            if is_target(f):
+                update_copyright(f)
+
+
+if __name__ == '__main__':
+    main()