Added try yasnippet.

snippets/c++-mode/try

@@ -0,0 +1,13 @@
+# -*- mode: snippet -*-
+# name: try
+# key: try
+# a bit too intrusive now still, not always I want to do this
+# --
+try
+{
+    $0
+}
+catch (${1:const std::exception &e})
+{
+
+}