Add private key download to certificate info page, raise timeout
Add a default config for certificate extensions ans properties
Update quickstart for 0.18
Merge remote-tracking branch 'openxpki/develop' into develop

Conflicts:
	core/server/OpenXPKI/Client/UI/Certificate.pm
Fix manpage of openxpkicli
Fix exception handling in Workflow
Catch undefined/empty SAN array
discard leading dots in certificate template extension

the heuristic used by our workflow sometimes fails, resulting in
profile names with leading dots. work around this by discarding
all leading dots...

fixes https://github.com/openxpki/openxpki/issues/195
Fix retrieval of multivalued / clonables in ui, fixes #196
Workaround mysql bind param bug when storing metadata

see #198 - might be reverted after bug is fixed in upstream
Cleanup and modifiy sample profiles
Change profile properties and remove profile check from workflow
Rework signal handling in watchdog
Provide new api methods to list process and control watchdog
Add workflow history view to UI
Add exceptions around template parser
Add UI formatter for datetime
Add text hints to csr v2 workflow (non i18n, plain english)
Fix handling of prompt in selectbox
Hide non-ui styles from get_styles method by default

You can use the NOHIDE option to get non-ui items.