14.2.4

New

• update to new core-base image 4771851c-473c-11e4-a5d7-2336565b77d9. [Thomas Merkel]
• support of sieve and managesieve with dovecot. [Thomas Merkel]

Other

• version update. [Thomas Merkel]
• add dovecot-pigeonhole pkg for sieve support. [Thomas Merkel]