Updates To Continuous Deployment

Merge covers:

1. Updated location of base lalsuite container so we actually point at the right place and pull in a versioned release of lalsuite (previously used the nightly build)
2. Overhauled continuous integration script: we now build containers for and test BayesWave (not yet the full pipeline) for the following refs whose names are chosen to minimise further changes to CI. They should refer to whatever is appropriate at the current time and should be documented somewhere. They can refer to branches or tags:

• master
• stable
• testing

1. Minor fix to the install script to get rid of a bash typo