Update URLs in the remaining files to https://gparted.org (#796411)

Update URLs in the README file, man page, metadata files and polkit
action file.

Bug 796411 - Enhancements request - URL links

README

@@ -18,7 +18,7 @@ another (disk imaging).
 Gparted can also be used with storage devices other than hard disks,
 such as USB flash drives, and memory cards.
 
-Visit http://gparted.org for more information.
+Visit https://gparted.org for more information.
 
 
 LICENSING

doc/gparted.8

@@ -43,7 +43,7 @@ resize, move, check, label, copy, and paste.
 More documentation can be found in the application help manual,
 and online at:
 .br
-http://gparted.org
+https://gparted.org
 .SH EXAMPLES
 You can run
 .B gparted
@@ -83,7 +83,7 @@ application.
 .SH REPORTING BUGS
 Report bugs at:
 .br
-http://gparted.org/bugs.php
+https://gparted.org/bugs.php
 .SH AUTHOR
 Manual page written by Curtis Gedak <gedakc@users.sf.net>
 .SH "SEE ALSO"

gparted.appdata.xml.in

@@ -20,9 +20,9 @@
     reiserfs, reiser4, udf, ufs, and xfs.
     </_p>
   </description>
-  <url type="homepage">http://gparted.org</url>
+  <url type="homepage">https://gparted.org</url>
   <screenshots>
-    <screenshot type="default">http://gparted.org/appdata/gparted-main-window.png</screenshot>
+    <screenshot type="default">https://gparted.org/appdata/gparted-main-window.png</screenshot>
   </screenshots>
   <updatecontact>gedakc@users.sf.net</updatecontact>
   <project_group>GNOME</project_group>

gparted.doap

@@ -14,8 +14,8 @@
   <name xml:lang="en">gparted</name>
 
   <shortdesc xml:lang="en">GNOME Partition Editor for manipulating disk partitions</shortdesc>
-  <homepage rdf:resource="http://gparted.org/" />
-  <download-page rdf:resource="http://gparted.org/download.php" />
+  <homepage rdf:resource="https://gparted.org" />
+  <download-page rdf:resource="https://gparted.org/download.php" />
   <bug-database rdf:resource="https://bugzilla.gnome.org/browse.cgi?product=gparted" />
 
   <maintainer>

org.gnome.gparted.policy.in.in

@@ -4,7 +4,7 @@
 <policyconfig>
 
     <vendor>The GParted Project</vendor>
-    <vendor_url>http://gparted.org/</vendor_url>
+    <vendor_url>https://gparted.org</vendor_url>
     <icon_name>gparted</icon_name>
     <action id="org.gnome.gparted">