feat/flask: reworked downloads page

- new table styles
- info about last version and build date
- "viruses" warning paragraph

locales/en.ini

@@ -45,6 +45,9 @@ p_subscription = We hope you will enjoy it!
 [downloads]
 header = Downloads
 
+version = Version:
+date = Build date:
+
 img-descr = Floppy disk image
 iso-descr = LiveCD image
 distr-descr = Universal Flash/Multi-boot image
@@ -66,6 +69,10 @@ download_description = On this page you can download the nightly builds distribu
     distributed under {gpl} license, its source code is available on our {git}.
 git-server = Git server
 
+download_warn = Occasionally, some antivirus software may incorrectly flag the {kolibrios} image as a threat. 
+    This is a false positive. 
+    {kolibrios} is fully open source, and you can always build it yourself to be sure that it is completely safe.
+
 [screenshots]
 header = Screenshots