[epiphany] Add warning that disable-javascript breaks message handlers

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 5bcaf548b92cfb38f5b219d4b3e02b4ab20af925
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Fri Oct 7 04:37:10 2016 -0500

    Add warning that disable-javascript breaks message handlers
    
    We didn't think twice about using JavaScript to implement internal
    message passing, or the overview. Good thing this option is no longer
    visible in the UI.

 data/org.gnome.epiphany.gschema.xml |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/data/org.gnome.epiphany.gschema.xml b/data/org.gnome.epiphany.gschema.xml
index 3f9e6a9..8d1170a 100644
--- a/data/org.gnome.epiphany.gschema.xml
+++ b/data/org.gnome.epiphany.gschema.xml
@@ -182,6 +182,7 @@
                <key type="b" name="enable-javascript">
                        <default>true</default>
                        <summary>Enable JavaScript</summary>
+                        <description>Whether to enable support for JavaScript. Note that several Epiphany 
features are implemented in JavaScript and will break if this setting is changed.</description>
                </key>
                <key type="b" name="enable-webgl">
                        <default>true</default>