check groups of local symbols
check groups of local symbols
augment check for colliding declaration spaces
merged with upstream
update comments
use getEffectiveDeclarationFlags to get Export flag
Typo fixed in CONTRIBUTION.

Simple type fix;-)
Gracefully handle accessor declarations in ambient classes.
Error when importing shadowed internal module.
Fixes #73.
Merge pull request #253 from huerlisi/patch-1

Typo fixed in CONTRIBUTION.
Merge pull request #264 from Microsoft/errorOnHiddenModuleImport

Error when importing shadowed internal module.
Merge pull request #197 from Microsoft/locals_exports

Alternative proposal for grouping exported and local declarations
No longer emit trailing comma on object literals.

This was done because trailing commas in object literals are not accepted by ES3.

Fixes #271.
Update LKG
Merge pull request #256 from Microsoft/ambientAccessorErrors

Gracefully handle accessor declarations in ambient classes.
Print version number for --version.
Accept object literal commas in ES3, preserve in ES5.
Merge pull request #273 from Microsoft/es3HatesTrailingCommas

No longer emit trailing comma on object literals for ES3.
Moved error checking for command line options around.
Merge pull request #304 from Microsoft/likeaversion

Print version number for --version.