adding dbclean for qa infrastructure

qa/dbclean/pom.xml

@@ -88,10 +88,8 @@
                      url="${jdbc.url}" 
                      userid="${jdbc.username}"
                      onerror="continue"
-                     classpathref="maven.test.classpath">
-                   <javaresource name="org/activiti/db/drop/activiti.${database}.drop.sql" 
-                                 classpathref="maven.test.classpath" /> 
-                </sql>
+                     classpathref="maven.test.classpath" 
+                     src="scripts/${database}.sql"/>
               </tasks>
             </configuration>
           </execution>

qa/dbclean/scripts/mysql.sql

+drop table ACT_GE_PROPERTY cascade;
+drop table ACT_RU_VARIABLE cascade;
+drop table ACT_GE_BYTEARRAY cascade;
+drop table ACT_RE_DEPLOYMENT cascade;
+drop table ACT_RU_IDENTITYLINK cascade;
+drop table ACT_RU_TASK cascade;
+drop table ACT_RE_PROCDEF cascade;
+drop table ACT_RU_EXECUTION cascade;
+drop table ACT_ID_MEMBERSHIP cascade;
+drop table ACT_ID_GROUP cascade;
+drop table ACT_ID_USER cascade;
+drop table ACT_RU_JOB cascade;
+drop table ACT_HI_PROCINST cascade;
+drop table ACT_HI_ACTINST cascade;
+drop table ACT_HI_TASKINST cascade;
+drop table ACT_HI_DETAIL cascade;
+
+drop table ACT_CY_CONN_CONFIG cascade;
+drop table ACT_CY_CONFIG cascade;
+drop table ACT_CY_LINK cascade;
+drop table ACT_CY_PEOPLE_LINK cascade;
+drop table ACT_CY_TAG cascade;
+drop table ACT_CY_COMMENT cascade;

qa/dbclean/scripts/oracle.sql

+drop table ACT_GE_PROPERTY cascade constraints;
+drop table ACT_RU_VARIABLE cascade constraints;
+drop table ACT_GE_BYTEARRAY cascade constraints;
+drop table ACT_RE_DEPLOYMENT cascade constraints;
+drop table ACT_RU_IDENTITYLINK cascade constraints;
+drop table ACT_RU_TASK cascade constraints;
+drop table ACT_RE_PROCDEF cascade constraints;
+drop table ACT_RU_EXECUTION cascade constraints;
+drop table ACT_ID_MEMBERSHIP cascade constraints;
+drop table ACT_ID_GROUP cascade constraints;
+drop table ACT_ID_USER cascade constraints;
+drop table ACT_RU_JOB cascade constraints;
+drop table ACT_HI_PROCINST cascade constraints;
+drop table ACT_HI_ACTINST cascade constraints;
+drop table ACT_HI_TASKINST cascade constraints;
+drop table ACT_HI_DETAIL cascade constraints;
+
+drop table ACT_CY_CONN_CONFIG cascade constraints;
+drop table ACT_CY_CONFIG cascade constraints;
+drop table ACT_CY_LINK cascade constraints;
+drop table ACT_CY_PEOPLE_LINK cascade constraints;
+drop table ACT_CY_TAG cascade constraints;
+drop table ACT_CY_COMMENT cascade constraints;

qa/dbclean/scripts/postgresql.sql

+drop table ACT_GE_PROPERTY cascade;
+drop table ACT_RU_VARIABLE cascade;
+drop table ACT_GE_BYTEARRAY cascade;
+drop table ACT_RE_DEPLOYMENT cascade;
+drop table ACT_RU_IDENTITYLINK cascade;
+drop table ACT_RU_TASK cascade;
+drop table ACT_RE_PROCDEF cascade;
+drop table ACT_RU_EXECUTION cascade;
+drop table ACT_ID_MEMBERSHIP cascade;
+drop table ACT_ID_GROUP cascade;
+drop table ACT_ID_USER cascade;
+drop table ACT_RU_JOB cascade;
+drop table ACT_HI_PROCINST cascade;
+drop table ACT_HI_ACTINST cascade;
+drop table ACT_HI_TASKINST cascade;
+drop table ACT_HI_DETAIL cascade;
+
+drop table ACT_CY_CONN_CONFIG cascade;
+drop table ACT_CY_CONFIG cascade;
+drop table ACT_CY_LINK cascade;
+drop table ACT_CY_PEOPLE_LINK cascade;
+drop table ACT_CY_TAG cascade;
+drop table ACT_CY_COMMENT cascade;