Handle LC_NUMERIC with comma decimal separator

Closes #399.

Fixed incorrect class inheritance (#394)

Generated example was incorrect - you cannot define import alias:
use Some\Other\Thingy as SomeClass;

and then define a class with the s

Fixed incorrect class inheritance (#394)

Generated example was incorrect - you cannot define import alias:
use Some\Other\Thingy as SomeClass;

and then define a class with the same name:
abstract class SomeClass ...

Class names changed to avoid conflict between import alias and abstract class name.

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Simplify ternary operator for PHP7 (#395)

Merge branch '3.x'

Conflicts:
test/PhpParser/Builder/ParamTest.php

Add support for object type

Merge branch '3.x'

Conflicts:
lib/PhpParser/Parser/Php7.php

Add support for trailing comma in group use

Release PHP-Parser 3.0.6

Treat special names correctly in getShortName()

Also change the API to accept a string rather than a FullyQualified
name instance, as this is not appropriate for symbols like "self".

Drop HHVM support

Not dropping any of the HHVM workaround code yet. If someone sorts
out the Travis build, I'm fine with keeping HHVM support.

Switch to dist: trusty, so HHVM runs

Merge branch '3.x'

Fix method name in tests

Fix Lexer errorHandling when there is no tokens

I encounter an issue when no tokens exist. An error `Undefined offset -1` is triggered.

Fix example code to work (#390)

Remove undefined variable hack

No longer necessary, as we don't support PHP 5 anymore.

Fix type annotation for List::$items

Allow null in ClassMethod::getStmts()

Add Node::setAttributes() (#385)

Remove Node::setLine() method

Merge branch '3.x'

Deprecate Node::setLine()

Fix some typos

Generate PHP 7 type annotations

Add upgrading notes