- Fix Notice messages in Core\Install and Database\DBStructure
- Move local config file template from htconfig.tpl to local.ini.tpl
- Remove htconfig.php
- Normal Mode = 0
- Install Mode = 1
- Maintenance Mode = 2
Moved Install-Mode check to class `App`
Replaced all maintenance and install checks with $a->mode checks
- Added $install_mode in Class App instead
- Extracted the install business logic to a new Class Install
- Replaced all $a->module == 'install' with $a->install_mode