add description of hing point translation

adapt figures

Merge pull request #773 from DLR-SL/develop

merge develop into master for 3.4 release

update release information

enhance description of nacelle guide curves (#731)

Merge branch 'develop'

Merge branch 'develop' for v3.3-RC

complete features list

Merge pull request #626 from DLR-SL/develop

merge develop into master

Merge pull request #601 from DLR-SL/develop

merge develop into master for 3.1 release