scripts, tests: explicitly set confdir in the rest of server code

Commit 1e6a204b43 added explicit confdir
setting to api.bootstrap() calls of a randomly selected portion of
server-side scripts and tests. This commit adds it to the rest of
server-side code for consistency.

https://fedorahosted.org/freeipa/ticket/6389

Reviewed-By: Stanislav Laznicka <slaznick@redhat.com>

doc/guide/wsgi.py.txt

@@ -1,3 +1,4 @@
+from ipaplatform.paths import paths
 from ipalib import api
 from ipalib.config import Env
 from ipalib.constants import DEFAULT_CONFIG
@@ -6,11 +7,12 @@ from ipalib.constants import DEFAULT_CONFIG
 # by reading in the configuration file(s). The server always reads
 # default.conf and will also read in `context'.conf.
 env = Env()
-env._bootstrap(context='server', log=None)
+env._bootstrap(context='server', log=None, confdir=paths.ETC_IPA)
 env._finalize_core(**dict(DEFAULT_CONFIG))
 
 # Initialize the API with the proper debug level
-api.bootstrap(context='server', debug=env.debug, log=None) (ref:wsgi-app-bootstrap)
+api.bootstrap(context='server', confdir=paths.ETC_IPA,
+              debug=env.debug, log=None) (ref:wsgi-app-bootstrap)
 try:
     api.finalize() (ref:wsgi-app-finalize)
 except Exception as e: