add mechanism to track external current revision

existing/not existing/not in attic styling

For Recent or the first item of Revisions a red link is useful refer the
user to allow creating/uploading a new page/media.
For items not existing in attic

existing/not existing/not in attic styling

For Recent or the first item of Revisions a red link is useful refer the
user to allow creating/uploading a new page/media.
For items not existing in attic no link is shown at all.

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restore rev= in revisions

prevent some possible undefines in code analyses

new RevisionInfo class obsoletes anonymous objRevInfo class

obsolete getObjRevInfo() in Ui\Recent and Ui\Revisions classes, that had defined anonymous class. they are similar but slightly differentl

new RevisionInfo class obsoletes anonymous objRevInfo class

obsolete getObjRevInfo() in Ui\Recent and Ui\Revisions classes, that had defined anonymous class. they are similar but slightly differently treat the diff link icon. It is impossible to create common method for diff icon using only revision information, it depends on caller, ie. recent or revisions list

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Move caching current revision info to getRevisionInfo()

needed to ensure initiation of the class is not using files from disk.
Because getCurrentRevisionInfo needs getRevisionInfo() as well, looping

Move caching current revision info to getRevisionInfo()

needed to ensure initiation of the class is not using files from disk.
Because getCurrentRevisionInfo needs getRevisionInfo() as well, looping
needs to be prevented

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revInfo was already retrieved

at this point it is already checked that $fileRev exists

import classes, replace dbglog, simplify, remove unused statements, and other warnings from IntelliJ

update phpdocs,
rename dokuwiki/Ui/Draft to PageDraft

fix typo

set current revision date 1sec before now for external deletion

in preparation for possible new page save

use time() for revision date of externally deleted page

also, code doc updates

rename saveRevisionInfo to cacheRevisionInfo

move hasRevision() to trait

ChangeLogTrait

- move ChangeLog low level methods into trait
- static ChangeLog::parseLogLine() replaces parseChangeLogLine()
- new ChangeLog::buildLogLine()

new method ChangeLog::addLogEntry()

rewrite `detectExternalEdit()` in inc/common.php

change wrongly older mtime of current page than last revision

use false for unknown timestamp instead of 'unknown'

set revInfo{'current'] when needed

do not set 'current' key in ChangeLog:getCurrentRevisionInfo(), instead set it during loop in Revision and Diff classes

obsolete ChangeLog:isExternalEdition

new methods: isLastRevision(), lastRevision()

fix wrong filesize of oldrev

new Changelog::saveRevisionInfo()

improve just created condition

case 1: new page or media
case 2: newer one that had existed but is already deleted via DW Editor

skip cached revInfo to keep "current" entry

to

set ChangeLog property currentRevision when instantiated

will cause more unittest errors during common_pageinfo_test