Ignore .git folder during test discovery.
Ignore .git folder during test discovery.

On systems with slow hard disks, py.test can seemingly
hang for a noticeable while -- because it's crawling
the .git/ folder; instruct py.test to ignore it.

blink1073/pexpect,crdoconnor/pexpect,crdoconnor/pexpect,bangi123/pexpect,nodish/pexpect,Depado/pexpect,Depado/pexpect,dongguangming/pexpect,bangi123/pexpect,Wakeupbuddy/pexpect,Depado/pexpect,dongguangming/pexpect,nodish/pexpect,nodish/pexpect,Wakeupbuddy/pexpect,Wakeupbuddy/pexpect,blink1073/pexpect,bangi123/pexpect,quatanium/pexpect,Wakeupbuddy/pexpect,quatanium/pexpect,bangi123/pexpect,crdoconnor/pexpect,blink1073/pexpect,quatanium/pexpect,Depado/pexpect,dongguangming/pexpect,dongguangming/pexpect