Merge token module into 2and3 (#1146)

* Merge token module; add values from 3.5

* Move token to 2and3

* Switch to ellipsis for token

stdlib/3/token.pyi

@@ -1,63 +0,0 @@
-from typing import Dict
-
-ENDMARKER = 0
-NAME = 0
-NUMBER = 0
-STRING = 0
-NEWLINE = 0
-INDENT = 0
-DEDENT = 0
-LPAR = 0
-RPAR = 0
-LSQB = 0
-RSQB = 0
-COLON = 0
-COMMA = 0
-SEMI = 0
-PLUS = 0
-MINUS = 0
-STAR = 0
-SLASH = 0
-VBAR = 0
-AMPER = 0
-LESS = 0
-GREATER = 0
-EQUAL = 0
-DOT = 0
-PERCENT = 0
-LBRACE = 0
-RBRACE = 0
-EQEQUAL = 0
-NOTEQUAL = 0
-LESSEQUAL = 0
-GREATEREQUAL = 0
-TILDE = 0
-CIRCUMFLEX = 0
-LEFTSHIFT = 0
-RIGHTSHIFT = 0
-DOUBLESTAR = 0
-PLUSEQUAL = 0
-MINEQUAL = 0
-STAREQUAL = 0
-SLASHEQUAL = 0
-PERCENTEQUAL = 0
-AMPEREQUAL = 0
-VBAREQUAL = 0
-CIRCUMFLEXEQUAL = 0
-LEFTSHIFTEQUAL = 0
-RIGHTSHIFTEQUAL = 0
-DOUBLESTAREQUAL = 0
-DOUBLESLASH = 0
-DOUBLESLASHEQUAL = 0
-AT = 0
-RARROW = 0
-ELLIPSIS = 0
-OP = 0
-ERRORTOKEN = 0
-N_TOKENS = 0
-NT_OFFSET = 0
-tok_name = ...  # type: Dict[int, str]
-
-def ISTERMINAL(x: int) -> bool: ...
-def ISNONTERMINAL(x: int) -> bool: ...
-def ISEOF(x: int) -> bool: ...