Update to 1.1.0.b4
Changes:

• A package can now be marked to only be upgraded from a given repository via annotations
• install and upgrade will now show from which repository packages are taken (if at least 2 repositories are setup)
• old/unused 'informations' field has been removed in favor of using annotations
• important cleanup using pkg_printf(3)
• add seat belt so pkg-devel can only be removed with -f
• signing key is only asked once now in pkg repo
• only look withing the note version of elf files
• fix pkg delete -a
• pkg repo has been changed to produce repo.txz in 1.0 only format
• catalog is now only take from digest in 1.1
• fix pkg update to that is is really incremental.
• fix pkg convert (thus fix pkg2ng)
• Add a DISABLE_MTREE option, which just disables processing +MTREE data
• Rename ENV to PKG_ENV to not conflict with sh(1)'s ENV
• Refactor 'pkg [-v|-vv|-vvv]' handling