Bump debhelper compat level to 10.

debian/changelog

@@ -36,6 +36,7 @@ live-build (1:20160105) UNRELEASED; urgency=medium
   * Drop gpgv and debian-keyring from Suggests.
   * Fix Check_installed function when checking against host. Thanks to jnqnfe
     for the report. Closes: #774807
+  * Bump debhelper compat level to 10.
 
   [ Kristian Klausen ]
   * Include ext{3,4} journal size when calculating image size. Closes: #801712

debian/compat

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

debian/control

@@ -4,7 +4,7 @@ Priority: optional
 Maintainer: Debian Live <debian-live@lists.debian.org>
 Uploaders: Raphaël Hertzog <hertzog@debian.org>
 Build-Depends:
- debhelper (>= 9),
+ debhelper (>= 10),
 Standards-Version: 3.9.6
 Homepage: https://debian-live.alioth.debian.org/live-build/
 Vcs-Browser: https://anonscm.debian.org/cgit/debian-live/live-build.git

debian/rules

@@ -1,7 +1,7 @@
 #!/usr/bin/make -f
 
 %:
-	dh $@ --parallel
+	dh $@
 
 override_dh_auto_install:
 	dh_auto_install -- DESTDIR=debian/live-build