always do "apt-get -f install"
just in case, to fix broken packages
readability: re-org flags
--force-depends for emacs22-bin-common deb
needed on 64bit environments
apt appears to misread the architecture of dependency emacs22-common
correct allow_failures specification
seems Travis has changed this. global variables should
no longer be included
update libs for Emacs 22 Travis build
needed i386-specific versions of many packages