Automated update of nupic master sha to 67e9611947ea132cefc24fe36eefce1b55aa9e59.
Automated update of nupic master sha to 9452effcbd4a7e5a269dc41ad3fd48b25ab0eac8.
Automated update of nupic master sha to 6871ab02fa2cbc37aa5bc805c5dc047cc569f7aa.
Automated update of nupic master sha to 6bd1e81120eb4ac1a1b1e1edce6f0df6b7b00ca3.
Automated update of nupic master sha to 40159323620619652f92d9fb69afecc36b8fb376.
Automated update of nupic master sha to 966cd8afde019457b49b5a69de18a6814a13b167.
Automated update of nupic master sha to d500463d7338ba308910da5559a8d5c77d367e24.
Automated update of nupic master sha to 5a62cbdb3c7ddbd0d8b8bdd0dd40b80eb677f8c7.
Update requirements
Removing any existing version of numpy at system level.
Removed numpy uninstall from travis config.
Trying numpy uninstall w/o sudo.
Force uninstall numpy with --yess
Trying to fix Travis-CI build (part 1)

- Using specific SHA for nupic-linux64
- Added SemLock error workaround
Automated update of nupic master sha to d20706cfe534f7daf6c921aeb526380e2acf7691.