Bumped version to 0.9.1pre
doc: little change in release notes
sended -> sent
Fixed tests about version
Fix SSL proxies

 - Proxy should be used for HTTPS and HTTP connections
Added a dot in the FAQ
Fixes #158: correctly deal with env vars containing spaces
provide system.stdout
Update doc
Compatibility with gecko 28 and 29 + fixed copyright
Build: parameter to indicate where to find xulrunner to build package
Fixed high cpu utilization while script is idle

Closes #163
Fixed crash on MacOSx

Closes #135
Support of JSON response in webpage.plainText

Closes #150
Fixed test about http 408 response code

Closes #134
some listeners calls were missing when setting content on a webpage

Closes #143
Some comments in net-log.js
Fixed build
Improved packaging performance
Merge branch 'v0.9'

Conflicts:
	src/application.ini
	test/initial-tests.js
	test/test-environment.js