TT#22072 Update packaging

- Bump Standards-Version to 3.9.8.
- Bump debhelper compatibility version 10.
- Switch from Priority extra to optional.
- Canonicalize Homepage URL.
- New debian/.gitignore file.

Change-Id: I1f060b4fc4a0a3113996849b55f3c344636e35f4

debian/.gitignore

@@ -0,0 +1,7 @@
+*.debhelper
+*.log
+*.substvars
+/.debhelper/
+/debhelper-build-stamp
+/files
+/libhsclient-c-wrapper/

debian/compat

@@ -1 +1 @@
-9
+10

debian/control

@@ -1,11 +1,11 @@
 Source: libhsclient-c-wrapper
 Section: admin
-Priority: extra
+Priority: optional
 Maintainer: Sipwise Development Team <support@sipwise.com>
+Homepage: https://www.sipwise.com/
+Standards-Version: 3.9.8
 Build-Depends:
- debhelper (>= 9),
-Standards-Version: 3.9.7
-Homepage: http://sipwise.com/
+ debhelper (>= 10),
 
 Package: libhsclient-c-wrapper
 Architecture: all