Fix the code to be PSR-2 compliant

Made the appropriate adjustments to the code structure to bring it into compliance with PSR-2.

$> phpcs --standard=PSR2 .\src

FILE: ..\image\src\Intervention\Image\Image.php
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FOUND 49 ERROR(S) AND 4 WARNING(S) AFFECTING 34 LINE(S)
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   98 | ERROR   | Expected 0 spaces after opening bracket; 1 found
  169 | ERROR   | Expected 0 spaces after opening bracket; 1 found
  188 | ERROR   | Expected 0 spaces after opening bracket; 1 found
  217 | ERROR   | Expected 0 spaces after opening bracket; 1 found
  268 | ERROR   | Expected 0 spaces between argument "$dst_x" and comma; 1
      |         | found
  268 | ERROR   | Expected 0 spaces between argument "$dst_y" and comma; 1
      |         | found
  268 | ERROR   | Expected 0 spaces between argument "$src_x" and comma; 1
      |         | found
  268 | ERROR   | Expected 0 spaces between argument "$src_y" and comma; 1
      |         | found
  268 | ERROR   | Expected 0 spaces between argument "$dst_w" and comma; 1
      |         | found
  268 | ERROR   | Expected 0 spaces between argument "$dst_h" and comma; 1
      |         | found
  268 | ERROR   | Expected 0 spaces between argument "$src_w" and comma; 1
      |         | found
  278 | ERROR   | Space found before comma in function call
  278 | ERROR   | Space found before comma in function call
  278 | ERROR   | Space found before comma in function call
  278 | ERROR   | Space found before comma in function call
  278 | ERROR   | Space found before comma in function call
  278 | ERROR   | Space found before comma in function call
  278 | ERROR   | Space found before comma in function call
  278 | WARNING | Line exceeds 120 characters; contains 123 characters
  337 | ERROR   | Expected 0 spaces after opening bracket; 1 found
  350 | ERROR   | PHP keywords must be lowercase; expected "or" but found "OR"
  350 | WARNING | Line exceeds 120 characters; contains 130 characters
  359 | ERROR   | Expected 0 spaces after opening bracket; 1 found
  362 | ERROR   | Expected 0 spaces after opening bracket; 1 found
  373 | ERROR   | Expected 0 spaces after opening bracket; 1 found
  567 | ERROR   | Space found before comma in function call
  567 | ERROR   | Space found before comma in function call
  567 | ERROR   | Space found before comma in function call
  567 | ERROR   | Space found before comma in function call
  567 | ERROR   | Space found before comma in function call
  606 | ERROR   | Space found before comma in function call
  628 | ERROR   | Expected 0 spaces after opening bracket; 1 found
  628 | ERROR   | PHP keywords must be lowercase; expected "or" but found "OR"
  641 | ERROR   | Expected "if (...) {\n"; found "if(...) {\n"
 1142 | ERROR   | Whitespace found at end of line
 1228 | ERROR   | Terminating statement must be indented to the same level as
      |         | the CASE body
 1236 | ERROR   | Terminating statement must be indented to the same level as
      |         | the CASE body
 1243 | ERROR   | Terminating statement must be indented to the same level as
      |         | the CASE body
 1274 | WARNING | Line exceeds 120 characters; contains 143 characters
 1317 | ERROR   | Expected "} elseif (...) {\n"; found "} elseif(...) {\n"
 1333 | ERROR   | Expected "} elseif (...) {\n"; found "} elseif(...) {\n"
 1342 | ERROR   | Line indented incorrectly; expected at least 16 spaces, found
      |         | 12
 1349 | ERROR   | Line indented incorrectly; expected at least 16 spaces, found
      |         | 12
 1350 | WARNING | Line exceeds 120 characters; contains 130 characters
 1399 | ERROR   | Expected 0 spaces after opening bracket; 1 found
 1481 | ERROR   | Inline control structures are not allowed
 1520 | ERROR   | Line indented incorrectly; expected at least 16 spaces, found
      |         | 12
 1521 | ERROR   | Terminating statement must be indented to the same level as
      |         | the CASE body
 1525 | ERROR   | Line indented incorrectly; expected at least 16 spaces, found
      |         | 12
 1526 | ERROR   | Terminating statement must be indented to the same level as
      |         | the CASE body
 1530 | ERROR   | Line indented incorrectly; expected at least 16 spaces, found
      |         | 12
 1531 | ERROR   | Terminating statement must be indented to the same level as
      |         | the CASE body
 1534 | ERROR   | Terminating statement must be indented to the same level as
      |         | the CASE body
--------------------------------------------------------------------------------


FILE: ..\image\src\Intervention\Image\ImageServiceProvider.php
--------------------------------------------------------------------------------
FOUND 3 ERROR(S) AFFECTING 2 LINE(S)
--------------------------------------------------------------------------------
 34 | ERROR | Opening parenthesis of a multi-line function call must be the
    |       | last content on the line
 34 | ERROR | Expected 1 space after FUNCTION keyword; 0 found
 36 | ERROR | Closing parenthesis of a multi-line function call must be on a
    |       | line by itself
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Time: 2.82 seconds, Memory: 10.50Mb