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/modules/network/pinger.py b/cfg_checker/modules/network/pinger.py
index 8eea315..6d0287b 100644
--- a/cfg_checker/modules/network/pinger.py
+++ b/cfg_checker/modules/network/pinger.py
@@ -160,7 +160,7 @@
             # Parse results back in place
             src_data["targets"] = _result
 
-        _progress.newline()
+        _progress.end()
 
         if self.detailed_summary:
             logger_cli.info("\n{:=^8s}".format("PASS"))