Fixed path to iotools in drive test
Deleted tbt data from GetLLM test since they are not needed

Adapted runvalidator: validation of src folder
Removed path to PythonClassesMAD from eclipse project file
Added symbolic links in LHCB2 model
Renamed function in iotools to fit the naming convention
Fixed name of method

Automatic renaming failed...
Added function to compare tfs_files without whitespace
Created tfs_file_writer.py and unittest
Adapted TfsFileWriter to GetllmTfsFile

Replaced old TfsFile of Getllm by GetllmTfsFile which extend TfsFileWriter and add
convenient features for GetLLM.
Added small function to math.
basic sphinx doc added
Adapted example modules to new docstyle
Adapted docstrings

Since we want to use sphinx to create code documentation I changed the
style of relevant docstrings.
New test and implementing Thomas' suggestions

Utilities.iotools.replace_keywords_in_textfile has a test now. Bug is
also removed.
Worked on suggestions from Thomas:
https://github.com/pylhc/Beta-Beat.src/commit/fc06bd8911f2fbabb84587d43b0b0e90f1e5c235#commitcomment-4327577
https://github.com/pylhc/Beta-Beat.src/commit/491367874cf506408939e0ba336951ec8be2c1b5#commitcomment-4327273
refactoring: using os.walk() instead of recursion
Changed docstrings and created TfsFileWriter.open()

Created factory method TfsFileWriter.open():
https://github.com/pylhc/Beta-Beat.src/commit/691f48bbdbd3da2c595c999f71d22ddad74fc4c3#commitcomment-4327337

Added further docstrings:
https://github.com/pylhc/Beta-Beat.src/commit/491367874cf506408939e0ba336951ec8be2c1b5#commitcomment-4327288
Added test for get_(abs_)filenames_in_dir_and_subdirs()

Suppressed unused variable in return tupel.
Changed from listdir to walk. Thanks to Yngve:
4dd0fb9dacf522caddbb991687d1b95a3d845757
Merge branch 'exp' of https://github.com/pylhc/Beta-Beat.src into exp