Move gcc to general

Lot of packages explicitly requires gcc now, but almost all of
the components needs it.

Always keep gcc in hand-range.

files/rpms/general: always installs the libxlst2-devel, not just on
RHEL 6, package recompile capability always handy and these are small
packages anyway.

Change-Id: Ia7d0e1938fb2453e3c02b979f99d6d179c6a24c6
diff --git a/files/apts/baremetal b/files/apts/baremetal
index 54e76e0..06ffab6 100644
--- a/files/apts/baremetal
+++ b/files/apts/baremetal
@@ -1,6 +1,5 @@
 busybox
 dnsmasq
-gcc
 ipmitool
 make
 open-iscsi
diff --git a/files/apts/general b/files/apts/general
index 020d84f..d81ec7a 100644
--- a/files/apts/general
+++ b/files/apts/general
@@ -5,6 +5,7 @@
 unzip
 wget
 psmisc
+gcc
 git
 lsof # useful when debugging
 openssh-server
diff --git a/files/apts/glance b/files/apts/glance
index e80f447..b5d8c77 100644
--- a/files/apts/glance
+++ b/files/apts/glance
@@ -1,4 +1,3 @@
-gcc
 libffi-dev
 libmysqlclient-dev  # testonly
 libpq-dev           # testonly
diff --git a/files/apts/swift b/files/apts/swift
index 0c27b5b..080ecdb 100644
--- a/files/apts/swift
+++ b/files/apts/swift
@@ -1,5 +1,4 @@
 curl
-gcc
 libffi-dev
 memcached
 python-configobj
diff --git a/files/apts/trema b/files/apts/trema
index 09cb7c6..f685ca5 100644
--- a/files/apts/trema
+++ b/files/apts/trema
@@ -1,5 +1,4 @@
 # Trema
-gcc
 make
 ruby1.8
 rubygems1.8