[chronojump] Adds a new file in .gitignore

[Carles Pina i Estany <carlespina src gnome org>]

commit 8b09b0007aa68a804c6a9e5f936240d550c1ebb2
Author: Carles Pina i Estany <carles pina cat>
Date:   Mon Oct 17 19:12:03 2016 +0200

    Adds a new file in .gitignore
    
    MonoDevelop saved in this file information like breakpoints.

 .gitignore |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/.gitignore b/.gitignore
index 508711a..ee124be 100644
--- a/.gitignore
+++ b/.gitignore
@@ -68,3 +68,6 @@ venv/
 chronopic-tests/chronojump-test-accuracy
 chronopic-tests/chronojump-test-jumps
 chronopic-tests/chronojump-test-stream
+
+# Monodevelop user's specific preferences (e.g. for breakpoints)
+chronojump.userprefs