Added cura.py after adding python::Power so you can just run ./cura.py and boot the latest code

Signed-off-by: uMinded <iceblu3710@gmail.com>
Add a logger (cura.log) to dump the CuraEngine command string

Signed-off-by: uMinded <iceblu3710@gmail.com>
If you put the CuraEngine binary in the root of the Cura folder that will be used

Signed-off-by: uMinded <iceblu3710@gmail.com>
On Ubuntu 12.04 Cura installs to (/usr/share/cura/CuraEngine) but the git repo did not look for the slicing engine there

Signed-off-by: uMinded <iceblu3710@gmail.com>
Added wallOuter_speed and wallInner_speed so you can choose the perimiter print speeds via the GUI. Error checking and defualts copied from print_speed. Both defualt to print_speed when not given any input.

Signed-off-by: uMinded <iceblu3710@gmail.com>