postgis 2.1.3

added recommended dependency on sfcgal

Closes #29681.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
sip 4.16

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
pyqt5 5.3

Closes #29694.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
influxdb 0.7.1

Closes #29701.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
influxdb: update 0.7.1 bottle.