Merge pull request #102 from sahib/fix/stage-symlinked-files

Merge branch 'develop' into fix/stage-symlinked-files

staging error and warning messages reported to stderr

s/TODO/NOTE/

Merge pull request #107 from sahib/fix/gateway-cert-handling-removal

adding conditional error skipping in one more place

added option to continue on error during staging: --continue-on-error, -c

added option to skip symbolic links: --no-dereference, -P

removed debug output

more general treatment of builds, it now distinguish windows or unix

docs: replace cert handling with caddy intro

make login page a bit prettier

requiring x/sys package directly

Support of reflinking for hardlinks during staging

Stage creates necessary parent directories