sqlAlchemy migration is completed
removed shit
required files
Merge pull request #5 from ThomasLecocq/sqlvolution

Sqlvolution
further tests with non-complete days of data (+1 day test from NZ)
added return value to update_data_availability
corrected bug in scan_archive
Improved performance and bug fix
various bugfixes
Update database_tools.py

remote bugfix (Tomohon)
updated README.md
updated README.md
Massive Update of this branch:

* Change of the steps naming scheme in order to allow importing packages: "from MSNoise.s04stack import stack" works, while "from MSNoise.04.stack doesn't

* First pass of `autopep8` to try to match PEP8 recommendations + manual pass whenever possible

* Added docstrings in most modules to generate the documentation automatically using sphinx (doc not part of this commit)

* added .gitignore settings to ignore .pyc, .log and .sqlite files, and the .build doc folder
Adding Documentation
Adding a paragraph on "how to build this doc" + typo changes
Update doc to include footer (credits)
Updated documentation (cosmetic)
Corrected SQLAlchemy bug
updated README.md
minor update to doc of s06compute_dtt.py
Minor edits
updated documentation, the configuration defaults will be populated upon building the doc