add encoding utf-8 to the first line
support i18n by using utf-8 coding template files
Add a note about reporting security issues
Bind telnet console and webservice to 127.0.0.1 by default
add response arg to item_dropped signal handlers
#710
document spider.closed() shortcut
Merge remote-tracking branch 'upstream/master'
better call to parent class
update a link reference
set the exit code to non-zero when contracts fails
Merge pull request #727 from tpeng/fix-scrapy-check-exitcode

set the exit code to non-zero when contracts fails
DOWNLOADER setting
DOWNLOADER setting
limit Twisted support to pre-14.0.0 while #718 is fixed
fix tests after changes introduced by scrapy/w3lib#21
force installation of w3lib and queuelib for trunk env
Merge pull request #738 from chekunkov/downloader_setting

Downloader setting
Merge pull request #726 from nyov/fix

some cosmetics
Merge pull request #724 from rafallo/master

item_dropped signal should pass response arg as item_scraped does
Merge pull request #699 from allait/telnet-port

Bind telnet console and webservice to 127.0.0.1 by default