Adds cabal sandbox autogenerated stuff to .gitignore
Changes base requirement to >=4.6 for both commands
Modifies withContainerDaemon to take an explicit command to run for start
Also changes hgc-deploy to pass /sbin/init as the command
Fixes typo
Changes to lxc-execute for running commands - currently broken
Merge branch 'master' of https://github.com/wtsi-hgi/hgc-tools