[gnome-apps-nightly] Switch builder to building from git

[Matthias Clasen <matthiasc src gnome org>]

commit f26d1b3431f22a1e8b97aadb781b226bac81b62f
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Feb 28 11:29:28 2017 -0500

    Switch builder to building from git
    
    This avoids keeping the manifest in two places.

 org.gnome.Builder.app  |    1 +
 org.gnome.Builder.json |  311 ------------------------------------------------
 2 files changed, 1 insertions(+), 311 deletions(-)
---
diff --git a/org.gnome.Builder.app b/org.gnome.Builder.app
index 4e05d12..80a2100 100644
--- a/org.gnome.Builder.app
+++ b/org.gnome.Builder.app
@@ -1,2 +1,3 @@
 ID=org.gnome.Builder
 JSON=org.gnome.Builder.json
+GITURL=git://git.gnome.org/gnome-builder