Fixes to array literal contextual typing
No quoting of number literals in index expressions
Optimize resolution of dynamic module import statements
Reduce array allocations when searching for decls
Update LKG
Make parameter required.
Fixes to symbol lookup
Don't allow "import x = module..." anymore.  Instead, require "import x = require...".
Update fidelity tests.
Updating tests.
Remove deprecated compiler flag options - exec, minw, and allowbool
Update LKG
- In batch compilation, store some information directly on ASTs, Decls, and Symbols
- Remove type checker and resolution from emit
Some performance improvements to symbol binding and decl collection
Optimize symbol lookup during binding
More improvements to symbol lookup peformance
Cache symbols explicitly typed as 'any', update LKG
Change misleading variable name, update LKG
Some cleanup for performance changes, LKG update
Updating fidelity tests