#1477:Search heading still displayed although search disabled

Fix PHP7 evaluation order incompatibility

Fixes #1480

clean up the onselect callback

This makes sure the provided callback is using alphanumerics only. I'm
not sure this is needed, but better safe than sorry.

Revert "Revert "make reuse of mediamanager popup easier""

because we actually want it in this branch ;-)

This reverts commit 38a2174b1dd098290d4b853df853c1072369377d.

Revert "make reuse of mediamanager popup easier"

this was an accidental commit to master

This reverts commit f7f7fb6c2b301fc145bf78687261f89e446e89ae.

make reuse of mediamanager popup easier

This introduces a mechanism to override what happens when a media item
is selected in the media manager popup by providing a callback name in
the URL. The def

make reuse of mediamanager popup easier

This introduces a mechanism to override what happens when a media item
is selected in the media manager popup by providing a callback name in
the URL. The default implementation just does what
dw_mediamanager.insert did before and calls insertTags()

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added travis configuration for mysql checks

cache groups during a request

marked authmyslq and authpgsql as deprecated

removed isset() from blank() function

As discussed in #1471, an uninitialized variable will always be
implicitly created when passed to the blank() function. Calling isset()
is thus a no-op. A warni

removed isset() from blank() function

As discussed in #1471, an uninitialized variable will always be
implicitly created when passed to the blank() function. Calling isset()
is thus a no-op. A warning about this behavior has been added to the
function comment.

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deny access to .git directories in .htaccess

use proper JSON in mediaupload response. fixes #1474

refactor page saving and introduce COMMON_WIKIPAGE_SAVE

This makes the saveWikiText() function a little easier to read and moves
external edit handling to its own function. Behavior stays the same
(

refactor page saving and introduce COMMON_WIKIPAGE_SAVE

This makes the saveWikiText() function a little easier to read and moves
external edit handling to its own function. Behavior stays the same
(tests are unchanged).

In addition a new event COMMON_WIKIPAGE_SAVE is introduced that makes
intercepting and acting on page saves much easier than possible before.

Developers can:

* prevent saves by either preventing the default action or overwriting
the contentChanged field in a BEFORE hook
* enforce saves even when no content changed by overwriting the
contentChanged field in a BEFORE hook
* Adjust the saved content by modifying the newContent field in a BEFORE
hook
* Adjust the stored change log information (summary, type, extras) in an
AFTER hook
* Easily know if a page was deleted, created or edited by inspecting the
changeType field
* what ever they want before or after a wiki page is saved

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added test for saveWikiTest()

for possible upcoming refactoring

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added fluxbb dump to the tests.

now all capabilities are covered

prepend default group

this makes sure manually assigned groups win on systems where only one
group is supported.

skip leaving unknown groups

ignore whitespace in capability testing

added a few more tests for wordpress

make sure integers are quoted as integers

otherwise limit and offsets break in mysql

first go at using real database dumps for tests

this configures a minimal wordpress setup

fix non-SELECT queries

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