make sure the mockserver forked from tests uses the current installation of scrapy, not the system one
use get_testenv() shortcut instead of get_pythonpath()
added more methods to mockserver
improved logging of downloader errors, when they contain tracebacks
added mock tests for retries (more to come)
change manager in telnet variable to crawler
Merge pull request #301 from tpeng/fix_telnet_doc

change manager in telnet variable to crawler
added context manager for mock server, moved test spiders into a separate module (scrapy.tests.spiders)
add scrapy bench command for benchmarking, with documentation
minor improvements to benchmarking doc
update copyright notes
add benchmarking to 0.18 release notes
raise on unrecognized format
Merge pull request #307 from DeaconDesperado/raise-format

Raise a usage error when an invalid or unrecognized output format is entered on Command line
Add FAQ entry referencing Request.meta usage
Merge pull request #309 from amferraz/patch-1

Add FAQ entry referencing Request.meta usage
added test for bench command
Merge pull request #312 from nramirezuy/cmd/bech/test

added test for bench command
removed multispider support from logstats
use os.pathsep