Fix a `let` that we missed for IE10 compatibility

IE10 does not understand `let` and `const`, so we still have to use var

Move edited multiwrap out of .newtemplate container

Fixes issue #276

allow summarize in lookups. fixes #262

Since the sums are not updated on saving, a successfull inline save now
removes the sums until the page was reloaded.

refactor: remove 2nd find and tertiary operator

fix: ajax-append the 1st row to lookups as well

This fixes SPR-694 and it fixes #207

correctly initialize multiple lookup editors

focus first input field in lookup editor. fixes #172

fixed collapsing schemas in entry editor

fix problems when more than one .dokuwiki element exists

closes #182

reset the form on success

show new row when adding to lookup

This renders the newly created row and adds it dynamically to the
existing table.

check CSRF token on row delete

Fixed multi fields for inline editor

Fixed applying of Template copying for new fields.

nicer styling

delete lookup rows

saving lookups works

first go at the lookup table editor

All functionality is added via JavaScript after an initial AJAX call.
This call can be used to check permissions later (without the need to
invalidate caches)

split up script into multiple parts, add entry funcs to inline editor