Ogs6py

Changes
* replacement method can be used together with writing files from scratch
* added direct setter for frqeuently used signle value properties
* added restart method

Changes
* minor bugfixes

Changes
* major update of the logfile parser which is now based on record
* script added for optimizing coupling parameter for staggered scheme
* added method for surface flux and robin BC

Changes
* Switch to turn off logging

Changes
* parse input if input is given (allows for execution of given file if no replace function is called)
* logparser can now output from staggered scheme
* OGS executables from a singularity container are now supported as well
* add argument for general wrapper for ogs

Changes
* added some tests for replace method
* add logfile parsing capabilities for output produced by PETSc
* add replace mesh function
* add compose from CSV tool
* add file include finction to outsource xmldata

Bugfixes
* media are also recogniced if the id attribute is missing
* fix in log parser to recognise times in scientific format