fix bug 56569 ("Create pages with form" and sfEditFormPreloadText)

2nd attempt

Turns out, that SFAutoeditAPI was indeed buggy, but it was not this bug.
This bug needs to be fixed in SFFormLinker.

Bug: 56569
Change-Id: I612c33af78ca677d6cfc680fa5be5b8dfb96e5cc
Added handling in form creation for standard inputs set from Page Schemas

Change-Id: Ie6043ea638c1308f6528e812a31f4fbdcccc519f
Various fixes for the creation of forms and templates from Page Schemas

Change-Id: I665afc0c7655feb6aab6655680a9acdb3a0ded18
Restored patch accidentally removed by previous commit

Change-Id: I4d4b855e5b6ecb6a272ca3b8890b22ab1d41323b
Fix to not display free text label if free text input is not displayed

Change-Id: I084e0584f1dcb5f1fa9afb53540e07991d7e837e
Version 2.8

Change-Id: I9d56fa249c37af76932ac28367f99ef155a0d093
Fix from Cindy Cicalese for "mapping template" feature

Change-Id: I2311d268a14de2d602ecc86b4806c50307837176
Improved handling for "target=" for #formlink, incl. new "edit existing target"

Change-Id: Ib217b6c49d373abe68105c611e43117b19ad88ab
Introduce sfBeforeFreeTextSubstitution hook, replacing the now deprecated sfModifyFreeTextField hook

Change-Id: I7103b0d039b0efc141588dd60b77d936f011c51a
Merge branch 'master' of ssh://wmfgerrit/mediawiki/extensions/SemanticForms