Updated PHPDoc
Moved transliteration into adapters
Fix CS
simple
added static methods
Merge branch 'simple' of github.com:mac2000/slugify into mac2000-simple

* 'simple' of github.com:mac2000/slugify:
  added static methods
  simple
  f...g iconv
  iconv
  check function exists
  new lines added
  check does transliterator function exists
  'wip'

Conflicts:
	src/Slugify.php
	tests/SlugifyArrayTest.php
	tests/SlugifyIconvTest.php
Removed transliter classes
Improved code
Updated README
soft sign rule added