Tokens::getImportUseIndexes - simplify function
minor #898 Tokens::getImportUseIndexes - simplify function (keradus)

This PR was merged into the 1.5 branch.

Discussion
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Tokens::getImportUseIndexes - simplify function

Refs: #860

// cc @ceeram

Commits
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720b391 Tokens::getImportUseIndexes - simplify function
Added PhpdocSeparationFixer
Made isAnnotation static
Improvements
CS fix
Fixed a docblock
Refactoring - temp remove the annotation class
Refactoring - added a better annotation class
Added tests for the tag class
Added docblock tests
Added PhpdocOrderFixer
Made some fixes after testing on flysystem
Minor refactor
Added phpdoc_var fixer