Added array_column replacement for PHP < 5.5

- see http://php.net/manual/en/function.array-column.php
- see https://github.com/ramsey/array_column
[1.4.x] Users account.php updated to avoid E_WARNING

See https://github.com/zikula/core/pull/1920, same issue but now code for 1.4 adapted
Merge pull request #1922 from espaan/patch-11

[1.4.x] Users account.php updated to avoid E_WARNING
Merge pull request #1923 from cmfcmf/array-column

Added array_column replacement for PHP < 5.5
[1.4.x] Updated DBUtil for OrderBy and table prefix

See https://github.com/zikula/core/pull/1924 
this is the same PR for 1.4.x

ZWebstore uses this function and ordering of products is not working without this small update. It's an extra check for table prefix in the column checking. Not checked in 1.4.x. yet.

I have checked with other modules using DBUtil as well (e.g. Content), and there no problems arise due to this small change.

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | -
| Fixed tickets | -
| Refs tickets  | -
| License       | MIT
| Doc PR        | -
Merge pull request #1925 from espaan/patch-13

[1.4.x] Updated DBUtil for OrderBy and table prefix
correct pager pagination and add reasonable default value (15) to prevent too many pages from showing.fixes #1902
add compensation for entities to be converted to scalar values for BC. refs https://github.com/zikula-modules/News/issues/135
update user attributes to change gravatar.gif to gravatar.jpg
Merge pull request #1930 from craigh/updateUsers

update user attributes to change gravatar.gif to gravatar.jpg
Merge pull request #1928 from craigh/pager

correct pager pagination and add reasonable default value (15)
Merge pull request #1929 from craigh/categoryBCFix

add compensation for entities to be converted to scalar values for BC
Allow empty url and fix bootstrap menutree plugin
Add missing tag and format.
catch exception and properly redirect on failed login.
correct css class to make sure icon is visible. refs #1933. /cc @phaidon
Merge pull request #1932 from craigh/loginFix

catch exception and properly redirect on failed login.
Merge pull request #1934 from craigh/permFix_1933

correct css class to make sure icon is visible.
Merge pull request #1931 from Kaik/menutree_bootstrap

Menutree bootstrap dropdown fix
Revert "Merge pull request #1931 from Kaik/menutree_bootstrap"

This reverts commit 40c1d4787376a4b14f04c684c84dfe7bd5ce3f6b, reversing
changes made to 6d8fb31e9b678923fd8988f4a0e7c69efe8b9a61.