main/dovecot: upgrade to 2.2.14
main/lua-zlib: rename to lua-lzlib

this is to avoid name conflict with lua-zlib
https://github.com/brimworks/lua-zlib

ref #1853
testing/lua-zlib: new aport

Simple streaming interface to zlib for Lua
https://github.com/brimworks/lua-zlib

fixes #1853
main/cups-filters: upgrade to 1.0.61
main/zsh: upgrade to 5.0.7
testing/libzdb: upgrade to 2.12