- Fix potential missing variable
- Improve replaceMacros doc
- Fix CSS value in smoothly

- Remove extraneous parentheses around empty() calls
- Remove duplicate calls to intval(), count() or strlen() after empty()
- Replace ternary operators outputting binary value with empty() return value
- Rewrite defaults() without x()

implement normaliseLink function

implement function in new class

implement getRandomName function

add use for core class

move functions from text.php to L10n class

move methods and props from App to Renderer

move left and right delimiter functions and properties to Render class.

implement getMarkupTemplate function

implement new replaceMacros function

create new class and redirect old functions

- Introduced Cache::NEVER Lock (never expiring lock)
- Force flag for dbstructure update
- Moving the business logic to central place in Update class

create array, remove getConstants function, add self references.

add use BaseObject

update logger levels in calls

add use and self statements

make changes based on review.

correct misspelled use statement

implement log() function.

Create Core\Logger class and point old functions to the new ones.

- moved testargs.php to util directory
- Switch Environment check before config at automatic install
- checkPHP() is now finding the PHP binary too
- Bugfixing checkPHP() & required returned wrong status
- removing not used $_POST['phpath'] in web installer