Branch

- passes formid with renderfield() and handle_post()
- some renaming and reordening
- reorder replacements
- resolve templates
- parse templates from addpage field similar as these from action field
- add syntax `BP-DATE(30-11-1975,%%m-%%d-%%Y)` or  `BP-DATE(30-11-1975)` for using dformat config of DokuWiki Fixes #36
- add escaping of `"` by `""`
- usemailtemplate field for defining alternative html and text template
- time field allows (h)h:mm or (h)h:mm:ss
- leading zeros with option `00000`
- set focus at a field with `^`, only once and on visible fields
- runas user applied in a bit more consistent manner