liquibase: add relativeToChangelogFile-property into the masterchangelog

.liquibase/Data_alias/changelog.xml

 <?xml version="1.1" encoding="UTF-8" standalone="no"?>
 <databaseChangeLog xmlns="http://www.liquibase.org/xml/ns/dbchangelog" xmlns:ext="http://www.liquibase.org/xml/ns/dbchangelog-ext" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog-ext http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-ext.xsd http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.6.xsd">
-    <include file="basic/init/init.xml"/>
-    <include file="basic/2019.1.4/changelog.xml"/>
+    <include relativeToChangelogFile="true" file="basic/init/init.xml"/>
+    <include relativeToChangelogFile="true" file="basic/2019.1.4/changelog.xml"/>
 </databaseChangeLog>

.liquibase/_____SYSTEMALIAS/changelog.xml

 <?xml version="1.1" encoding="UTF-8" standalone="no"?>
 <databaseChangeLog xmlns="http://www.liquibase.org/xml/ns/dbchangelog" xmlns:ext="http://www.liquibase.org/xml/ns/dbchangelog-ext" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog-ext http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-ext.xsd http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.6.xsd">
-    <include file="basic/init/init.xml"/>
-    <include file="basic/init/system_aliasTestdata.xml"/>
-    <include file="basic/2019.1.4/changelog.xml"/>
+    <include relativeToChangelogFile="true" file="basic/init/init.xml"/>
+    <include relativeToChangelogFile="true" file="basic/init/system_aliasTestdata.xml"/>
+    <include relativeToChangelogFile="true" file="basic/2019.1.4/changelog.xml"/>
 </databaseChangeLog>