Ignore ./sbin and ./escript

(cherry picked from commit e8eda89)

Author: michaelklishin

deps/amqp_client/.gitignore

@@ -8,13 +8,15 @@
 /deps/
 /doc/
 /ebin/
+/escript/
 /git-revisions.txt
 /logs/
 /PACKAGES/
 *.plt
 /plugins/
 /rebar.config
 /rebar.lock
+/sbin
 /test/ct.cover.spec
 /xrefr
 /amqp_client.d