lhcbconfig: point to the new rpm repository
yum: display errors before exiting
lhcbconfig: shorten lcg-rpm url
cmd-self-bdist-rpm: handle hysteresis effect from MYSITEROOT
cmd-install: handle special case of installing lbpkr-rpm
version: 0.1.20140623
make: add 'dist' and 'release' targets
utils: honor file mode