Merge "Promote libffi-dev as a general dependency"

files/apts/general

@@ -24,3 +24,4 @@ python-mock # testonly
 python2.7
 bc
 libyaml-dev
+libffi-dev

files/apts/glance

@@ -1,4 +1,3 @@
-libffi-dev
 libmysqlclient-dev  # testonly
 libpq-dev           # testonly
 libssl-dev          # testonly

files/apts/swift

@@ -1,5 +1,4 @@
 curl
-libffi-dev
 memcached
 python-configobj
 python-coverage

files/rpms/general

@@ -7,6 +7,7 @@ git-core
 openssh-server
 openssl
 openssl-devel # to rebuild pyOpenSSL if needed
+libffi-devel
 libxml2-devel
 libxslt-devel
 psmisc

files/rpms/glance

@@ -1,4 +1,3 @@
-libffi-devel
 libxml2-devel       # testonly
 libxslt-devel       # testonly
 mysql-devel         # testonly

files/rpms/swift

@@ -1,5 +1,4 @@
 curl
-libffi-devel
 memcached
 python-configobj
 python-coverage