Automated Paсkage versions update for tags

Module repos.py
 - ReposInfo(), walks mirror using HTTP and builds
   all repos map available
 - RepoManager(), using repos map builds package versions map
   either for specific tags or for all of them

Fixes:
 - Progress class clears line remainder on change

Utils:
 - Download GZ file into memory
 - TGZ file interface, CRU (no deletion)

Change-Id: Ifdb37aa4b68fb25f642b2089cf16cd242ed25a0b
Related-PROD: PROD-28199
diff --git a/cfg_checker/helpers/zip.py b/cfg_checker/helpers/zip.py
new file mode 100644
index 0000000..b050030
--- /dev/null
+++ b/cfg_checker/helpers/zip.py
@@ -0,0 +1,8 @@
+import os
+import zipfile
+
+
+class ZIPFile(object):
+    def __init__(self, _filepath, label=None):
+
+        return