fold php style functions

[farnabaz]

In PHP coding style functions scope starts from new line, like this

function foo($args)
{
...
}

I create new condition in fold function that check if current row is foldable and last row was not a foldable function row. if so assume this line as start of function and fold this scope.

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also after I fold function of a coffee script file with 2 space intents, package does not fold my php code with 4 space indents, and I think it may be good if we clear @indentLevel in beginning of fold and count functions