cleanup new 5.6.0 branch
fixed pom
merged changes from 5.6
temporary disable one test case
NXP-10906: missing guava dependency
fixed pom file
merged pom
NXP-10979: added an email publisher
fixed pom
NXP-11009: show inherited ACL in gray
NXP-11010: ACL audit button only available for administrators, corrected messages
NXP-11016: added an icon for the ACL audit action
NXP-11016: Update acl export icon and rename it
code cleanup
i18n
Update version to 5.6.0-HF11
Update to HF12-SNAPSHOT