Update document paths

[sbluhm]

not all document roots point to var/www (https://github.com/uyuni-project/uyuni/blob/d80310b02929767dee2cb9a515a09695aca6db84/spacewalk/config/etc/httpd/conf.d/zz-spacewalk-www.conf#L1)

/uyuni/susemanager-utils/susemanager-sls has references to /srv/salt and /srv/formula_metadata

[sbluhm]

salt and salt-master have /srv references

[sbluhm]

code/src/com/redhat/rhn/domain/formula/FormulaFactory.java:    private static String dataDir = "/srv/susemanager/formula_data/";
code/src/com/redhat/rhn/domain/server/virtualhostmanager/VirtualHostManagerFactory.java:    public static final String KUBECONFIG_PATH_BASE = "/srv/susemanager/virt_host_mgr";
code/src/com/suse/manager/webui/services/impl/SaltSSHService.java:    private static final String SSH_KEY_DIR = "/srv/susemanager/salt/salt_ssh";
code/src/com/suse/manager/webui/services/SaltConstants.java:    public static final String SUMA_STATE_FILES_ROOT_PATH = "/srv/susemanager/salt";
code/src/com/suse/manager/webui/services/SaltConstants.java:    public static final String SUMA_PILLAR_DATA_PATH = "/srv/susemanager/pillar_data";
code/src/com/suse/manager/webui/services/SaltConstants.java:    public static final String SUMA_PILLAR_IMAGES_DATA_PATH = "/srv/susemanager/pillar_data/images";
code/src/com/suse/manager/webui/services/SaltConstants.java:    public static final String SALT_FILE_GENERATION_TEMP_PATH = "/srv/susemanager/tmp";
code/src/com/suse/manager/webui/services/SaltConstants.java:    public static final String LEGACY_STATES_BACKUP = "/srv/susemanager/legacy_states";

[sbluhm]

Salt folders will stay as is in /srv