[CLEANUP] ext_emconf file

Releases: 2.0.0
Change-Id: I8915ea231e46c4440016ec3565649a3e6d737064
Reviewed-on: https://review.typo3.org/31462
Reviewed-by: Alexander Schnitzler
Tested-by: Alexander Schnitzler
[TASK] Remove check for existence of FunctionalTestCase

Releases: 2.0.0
Change-Id: I97b470a3dafd0bc2a83beaabd6db6510ebad9ca3
Reviewed-on: https://review.typo3.org/31464
Reviewed-by: Alexander Schnitzler
Tested-by: Alexander Schnitzler
[TASK] Remove code for compatibility to TYPO3 CMS 4.3

Releases: 2.0.0
Change-Id: Ib43341470431b991980db898a766d426d5b2d88c
Reviewed-on: https://review.typo3.org/31463
Reviewed-by: Alexander Schnitzler
Tested-by: Alexander Schnitzler
[TASK] Change check for TYPO3_MODE

Change check for TYPO3_MODE:

if (!defined('TYPO3_MODE')) {
	die('Access denied.');
}

to

defined('TYPO3_MODE') or die();

Releases: 2.0.0
Change-Id: Iad1d55bb7c0cee388c63a6fee6524b82298afee3
Reviewed-on: https://review.typo3.org/31466
Reviewed-by: Wouter Wolters
Tested-by: Wouter Wolters
[TASK] Remove canBeInterpretedAsInteger and use core API

Releases: 2.0.0
Change-Id: Ic1f25a6d6c93950365ff1d0f455ab569253b5211
Reviewed-on: https://review.typo3.org/31468
Reviewed-by: Alexander Schnitzler
Tested-by: Alexander Schnitzler
Reviewed-by: Wouter Wolters
Tested-by: Wouter Wolters
[TASK] Remove forceIntegerInRange and use core API

Releases: 2.0.0
Change-Id: I51bbe55bd5b7fcd6c960ce6bbc53d9cee32542c9
Reviewed-on: https://review.typo3.org/31469
Reviewed-by: Wouter Wolters
Tested-by: Wouter Wolters
[TASK] Remove not used convertVersionNumberToInteger

Releases: 2.0.0
Change-Id: Id60a52deae4cd37648044b3191d5868ec58b4b67
Reviewed-on: https://review.typo3.org/31470
Reviewed-by: Wouter Wolters
Tested-by: Wouter Wolters