Update closure-externs.js

Add a gamepad support with closure.
only include necessary system libraries amongst each other based on explicit dependencies; fixes #2191
add (void) to C functions in emscripten.h
move 'powered by' logo to media dir
provide a bitmap for the 'powered-by' logo
use png instead of jpeg for logos
remove extraneous eps since we have svg
only include necessary system libraries amongst each other based on explicit dependencies; fixes #2191
some primitive profiling tools
Correct my email address.
Update test_sdl_wm_togglefullscreen to continuously render to queried canvas size.
Merge pull request #2204 from juj/update_test_sdl_wm_togglefullscreen

Update test_sdl_wm_togglefullscreen to continuously render to queried canvas size.
Update AUTHORS
Resolve symbolic links when checking for destination locations in file_packager. Fixes browser.test_preload_file on OSX.
Support syntax --preload-file x@x where both sides are identical and outside the current source tree. The code would accidentally treat that case as if user had instead written '--preload-file x'. Closes #2201.
Merge branch 'master' of github.com:Noxalus/emscripten into incoming

Conflicts:
	AUTHORS
todo about TextEncoder
more work on hackish function removal using profiling
Merge pull request #2206 from juj/fix_osx_test_preload_file

Resolve symbolic links when checking for destination locations in file_packager. Fixes browser.test_preload_file on OSX.
Merge pull request #2202 from abergmeier/fix_address

Correct my email address.