Demote git and lintian to recommends

- if not installed some dev-scripts will not  work, a dev should
  know how to handle the situation.

debian/changelog

@@ -1,3 +1,10 @@
+lxqt-build-tools (0.4.0-3) experimental; urgency=medium
+
+  * Demote git and lintian to recommends - if not installed some dev-scripts
+    will not  work, a dev should know how to handle the situation.
+
+ -- Alf Gaida <agaida@siduction.org>  Wed, 25 Oct 2017 01:42:18 +0200
+
 lxqt-build-tools (0.4.0-2) experimental; urgency=medium
 
   * Fixed symmangle - sort order is defined by LC_ALL, so using

debian/control

@@ -20,13 +20,13 @@ Depends: ${shlibs:Depends},
          ${misc:Depends},
          binutils,
          cmake (>= 3.0.2),
-         git,
          libqt5xdg-dev (>= 3.1.0),
          libglib2.0-dev (>= 2.5.0),
-         lintian,
          pkg-config,
          qttools5-dev,
          qttools5-dev-tools
+Recommends: git,
+            lintian
 Description: Build tools for the LXQt desktop environment
  LXQt is an advanced, easy-to-use, and fast desktop environment based on Qt
  technologies. It has been tailored for users who value simplicity, speed, and