[538-kea-should-not-store-anything-in-var-kea-lsb-violation] Addressed comments (and grep reports)

Makefile.am

@@ -161,7 +161,8 @@ gen-docs:
 # These steps are necessary during installation
 install-exec-hook:
 	mkdir -p $(DESTDIR)${localstatedir}/log/
-	mkdir -p $(DESTDIR)${localstatedir}/run/${PACKAGE_NAME}
+	mkdir -p $(DESTDIR)${localstatedir}/lib/${PACKAGE_NAME}
+	mkdir -p $(DESTDIR)${runstatedir}/${PACKAGE_NAME}
 
 EXTRA_DIST  = tools/path_replacer.sh
 EXTRA_DIST += tools/mk_cfgrpt.sh

doc/examples/kea4/hooks.json

@@ -39,7 +39,7 @@
      {
          "library": "/opt/lib/charging.so",
          "parameters": {
-             "path": "/var/kea/var",
+             "path": "/var/lib/kea",
              "base-name": "kea-forensic6"
          }
      }

doc/examples/kea6/hooks.json

@@ -47,7 +47,7 @@
      {
         "library": "/opt/lib/charging.so",
         "parameters": {
-             "path": "/var/kea/var",
+             "path": "/var/lib/kea",
              "base-name": "kea-forensic6"
         }
      }

src/bin/keactrl/kea-dhcp4.conf.pre

@@ -254,7 +254,7 @@
     //      // when they were active etc.
     //      "library": "@libdir@/kea/hooks/libdhcp_legal_log.so"
     //      "parameters": {
-    //          "path": "/var/kea/var",
+    //          "path": "/var/lib/kea",
     //          "base-name": "kea-forensic4"
     //      }
     //  },

src/lib/dhcpsrv/memfile_lease_mgr.h

@@ -72,8 +72,8 @@ class LFCSetup;
 /// parameter in the database access string. The [path] is the
 /// absolute path to the file (including file name). If this parameter
 /// is not specified, the default location in the installation
-/// directory is used: var/kea/kea-leases4.csv and
-/// var/kea/kea-leases6.csv.
+/// directory is used: <install-dir>/var/lib/kea/kea-leases4.csv and
+/// <install-dir>/var/lib/kea/kea-leases6.csv.
 class Memfile_LeaseMgr : public LeaseMgr {
 public: