defer close while upgrading a transport
package: bump `browserify`
Merge pull request #327 from lpinca/update/browserify

Update `browserify` to version 4.2.1
check readyState in sendPacket and close on upgradeError too
update parseuri version
Merge pull request #329 from get/parseuri

update parseuri version
IE8 should use XDomainRequest to avoid loading bar flashing
Merge pull request #331 from yujiosaka/master

IE8 should use XDomainRequest to avoid loading bar flashing
disabled XDomainRequest as default and added enablesXDR option to enable it
Merge pull request #333 from yujiosaka/master

disabled XDomainRequest as default and added enablesXDR option to enable...
check enablesXDR option when Request.hasXDR is called just in case
Merge pull request #334 from yujiosaka/master

check enablesXDR option when Request.hasXDR is called just in case
Add matrix support for travis runs.
Use the new zuul patch for a cleaner makefile.
Merge pull request #335 from rase-/add/travis-matrix

Add matrix support for travis runs.
travis: remove so many chromes
Makefile: add support for `BROWSER_PLATFORM`
.travis: add `BROWSER_PLATFORM`
.travis: add `BROWSER_PLATFORM`
Makefile: remove `@`