refactor($parse): move duplicate $parse interpreter/compiler logic into Parser
refactor($parse): move duplicate $parse interpreter/compiler logic into Parser

- the construction of the AST is now in the Parser
- the assigning of the literal and constant flags is now in the Parser
- remove unused references to the lexer, $filter and options on the Parser

Awingu/angular.js,Awingu/angular.js,Awingu/angular.js,Awingu/angular.js