Removed "in-process-" from func env tox name and added bindep.txt

This shorten shebang in infra, because we are hitting 128 bytes limit.
Added bindep.txt, which is needed for infra

Change-Id: I02477d81b836df71780942189d37d616944c4dce
(cherry picked from commit 5d7a3a4 and aab2cee)

bindep.txt

@@ -0,0 +1,17 @@
+# This is a cross-platform list tracking distribution packages needed by tests;
+# see http://docs.openstack.org/infra/bindep/ for additional information.
+
+build-essential [platform:dpkg]
+gcc [platform:rpm]
+gettext
+liberasurecode-dev [platform:dpkg]
+liberasurecode-devel [platform:rpm]
+libffi-dev [platform:dpkg]
+libffi-devel [platform:rpm]
+memcached
+python-dev [platform:dpkg]
+python-devel [platform:rpm]
+rsync
+xfsprogs
+libssl-dev [platform:dpkg]
+openssl-devel [platform:rpm]

tox.ini

@@ -48,7 +48,7 @@ commands =
 [testenv:func]
 commands = ./.functests {posargs}
 
-[testenv:func-in-process-fast-post]
+[testenv:func-fast-post]
 commands = ./.functests {posargs}
 setenv = SWIFT_TEST_IN_PROCESS=1
          SWIFT_TEST_IN_PROCESS_OBJECT_POST_AS_COPY=False