python-can: bump to 1.4.2

Add hash file and change download location to PyPi.

Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/python-can/python-can.hash

@@ -0,0 +1,3 @@
+# md5 from https://pypi.python.org/pypi?:action=show_md5&digest=b9fb15ff75266f2cb53a175ee2097768, sha256 locally computed
+md5     b9fb15ff75266f2cb53a175ee2097768  python-can-1.4.2.tar.gz
+sha256  29b4e736b0d8b958b8074e209c9f1482e02761bbf97ddf0871f291da312c11ed  python-can-1.4.2.tar.gz

package/python-can/python-can.mk

@@ -4,9 +4,8 @@
 #
 ################################################################################
 
-PYTHON_CAN_VERSION = ae5b6cf
-PYTHON_CAN_SITE = https://bitbucket.org/hardbyte/python-can/get
-PYTHON_CAN_SOURCE = $(PYTHON_CAN_VERSION).tar.bz2
+PYTHON_CAN_VERSION = 1.4.2
+PYTHON_CAN_SITE = https://pypi.python.org/packages/source/p/python-can
 PYTHON_CAN_LICENSE = LGPLv3
 PYTHON_CAN_LICENSE_FILES = LICENSE.txt
 PYTHON_CAN_SETUP_TYPE = setuptools