slapos.core and zc.buildout version up

  Use slapos.core 1.2.2 with fixes for slapos node collector
  Use new zc.buildout with fixes on eggs filesystem permission
slaprunner: Don't compress for local transferences

Use compress for local transference is just slow.
version up : zc.buildout 1.7.1-dev-SlapOS-002.

now read permission to group and other are automatically added when installing eggs.
version up eggs.
version up : curl 7.38.0.
version up : squid 3.4.7.
version up : zc.buildout 1.7.1-dev-SlapOS-003.