fix coding style issues

[mimmi20]

I added some rules to the ruleset.xml for the codesniffer and fixed all errors and warnings (expect the line length warning).

Some additional changes:

• removing brackets from require_once
• some changed lineendings done by PHPStorm

[codecov]

Codecov Report

Merging #1174 into master will decrease coverage by <.01%.
The diff coverage is 37.5%.

@@             Coverage Diff              @@
##             master    #1174      +/-   ##
============================================
- Coverage     47.13%   47.13%   -0.01%     
+ Complexity     9973     9971       -2     
============================================
  Files           505      505              
  Lines         24483    24481       -2     
============================================
- Hits          11539    11538       -1     
+ Misses        12944    12943       -1

Impacted Files	Coverage Δ	Complexity Δ
classes/phing/listener/AnsiColorLogger.php	0% <ø> (ø)	17 <0> (ø)	⬇️
classes/phing/tasks/ext/TarTask.php	0% <ø> (ø)	39 <0> (ø)	⬇️
classes/phing/filters/ReplaceTokens.php	61.16% <ø> (ø)	35 <0> (ø)	⬇️
classes/phing/tasks/ext/sonar/SonarTask.php	66.42% <ø> (ø)	54 <0> (ø)	⬇️
classes/phing/types/selectors/TypeSelector.php	43.33% <ø> (ø)	13 <0> (ø)	⬇️
classes/phing/system/io/FileSystem.php	44.48% <ø> (ø)	101 <0> (ø)	⬇️
classes/phing/tasks/ext/pdo/PDOSQLExecTask.php	41.71% <ø> (ø)	75 <0> (ø)	⬇️
classes/phing/types/selectors/DepthSelector.php	0% <ø> (ø)	22 <0> (ø)	⬇️
classes/phing/filters/TabToSpaces.php	0% <ø> (ø)	10 <0> (ø)	⬇️
classes/phing/filters/TranslateGettext.php	0% <ø> (ø)	25 <0> (ø)	⬇️
... and 40 more

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