Add dependency on the process library

The tests are already using this library, so it's not really a new build
dependency, but it was not specified esplicitly.

Furthermore, it's going to be used by the instance status collector, so it's
added to the requirements for the monitoring subsystem.

Signed-off-by: Michele Tartara <mtartara@google.com>
Reviewed-by: Guido Trotter <ultrotter@google.com>

INSTALL

@@ -192,6 +192,8 @@ a few more Haskell libraries enabled: the ``ganeti-confd`` daemon
 - `vector <http://hackage.haskell.org/package/vector>`_
 - `snap-server` <http://hackage.haskell.org/package/snap-server>`_, version
   0.8.1 and above.
+- `process <http://hackage.haskell.org/package/process>`_, version 1.0.1.1 and
+  above
 
 These libraries are available in Debian Wheezy (but not in Squeeze), so you
 can use either apt::

configure.ac

@@ -566,6 +566,8 @@ if test "$enable_monitoring" != no; then
                    [MONITORING_PKG="$MONITORING_PKG attoparsec"])
   AC_GHC_PKG_CHECK([snap-server], [],
                    [MONITORING_PKG="$MONITORING_PKG snap-server"])
+  AC_GHC_PKG_CHECK([process], [],
+                   [MONITORING_PKG="$MONITORING_PKG process"])
   MONITORING_DEP=
   if test "$has_confd" = False; then
     MONITORING_DEP="$MONITORING_DEP confd"
@@ -615,6 +617,8 @@ AC_GHC_PKG_CHECK([temporary], [], [HS_NODEV=1])
 #        of the checks.
 AC_GHC_PKG_CHECK([attoparsec], [], [HS_NODEV=1])
 AC_GHC_PKG_CHECK([vector], [], [HS_NODEV=1])
+AC_GHC_PKG_CHECK([process], [],
+                 [MONITORING_PKG="$MONITORING_PKG process"])
 if test -n "$HS_NODEV"; then
    AC_MSG_WARN(m4_normalize([Required development modules were not found,
                              you won't be able to run Haskell unittests]))

devel/build_chroot

@@ -123,7 +123,9 @@ in_chroot -- \
     MonadCatchIO-transformers==0.2.2.0 mtl==2.0.1.0 \
     hashable==1.1.2.0 case-insensitive==0.3 parsec==3.0.1 \
     network==2.3 snap-server==0.8.1 \
-    hinotify==0.3.2
+    hinotify==0.3.2 \
+    process==1.0.1.2
+
 
 #Python development tools
 in_chroot -- \