Build: integrate contrib directory into build system

BASH completion is now installed by make install.

https://fedorahosted.org/freeipa/ticket/6418

Reviewed-By: Martin Basti <mbasti@redhat.com>
Reviewed-By: Christian Heimes <cheimes@redhat.com>

Makefile.am

@@ -1,5 +1,4 @@
-SUBDIRS = asn1 util client daemons install ipaclient ipalib ipaplatform ipapython ipaserver ipatests po
-# contrib
+SUBDIRS = asn1 util client contrib daemons install ipaclient ipalib ipaplatform ipapython ipaserver ipatests po
 # doc
 # init
 
@@ -23,5 +22,6 @@ EXTRA_DIST = .mailmap \
 	     BUILD.txt \
 	     Contributors.txt \
 	     COPYING.openssl \
+	     contrib \
 	     pylintrc \
 	     pytest.ini

contrib/Makefile.am

@@ -0,0 +1,4 @@
+SUBDIRS = completion
+
+EXTRA_DIST = \
+	nssciphersuite

contrib/completion/Makefile.am

@@ -0,0 +1,4 @@
+bashcompdir = $(sysconfdir)/bash_completion.d
+
+bashcomp_SCRIPTS = \
+	ipa

freeipa.spec.in

@@ -833,8 +833,6 @@ mkdir -p %{buildroot}%{_sysconfdir}/ipa/
 /bin/touch %{buildroot}%{_sysconfdir}/ipa/ca.crt
 mkdir -p %{buildroot}%{_sysconfdir}/ipa/nssdb
 mkdir -p %{buildroot}/%{_localstatedir}/lib/ipa-client/sysrestore
-mkdir -p %{buildroot}%{_sysconfdir}/bash_completion.d
-install -pm 644 contrib/completion/ipa.bash_completion %{buildroot}%{_sysconfdir}/bash_completion.d/ipa
 
 %if ! %{ONLY_CLIENT}
 mkdir -p %{buildroot}%{_sysconfdir}/cron.d