add bash script to config pip and easy_install
add bash script to config pip and easy_install

JIRA: FUNCTEST-139

Change-Id: Iec0c1d0315ded19286fa2df8478567f4cda194b4
Signed-off-by: SerenaFeng <d66476c5e2b3d107b8114d88e80f797b001a1a51@zte.com.cn>
opnfv/functest,mywulin/functest,mywulin/functest,opnfv/functest