Minor Upgrades
Change-log:
- add command line functions for parsing crystal stdout and stdin files
- add warning for fortran floating-point exceptions in crystal stdout parser
BaseRestartWorkChain: allow handlers to override exit status- Update
pre-commitconfiguration - Update documentation
- upgrade RTD's to Sphinx v2
- Restructure documentation into separate indexes
- improve install and development instructions
- add guides for:
CryDossCalculation,BaseRestartWorkChainandCryPropertiesWorkChain