rename module qutip.gui to qutip.ui since we no longer have builtin GUI features in qutip
rename module qutip.gui to qutip.ui since we no longer have builtin GUI features in qutip
removed remains of gui (options etc)
restored ui/progressbar.py after failed rename / move operation
removed gui=False options in tests
keep gui as keyword option in Odeoptions for backward compatibility
module renamed: gui -> ui
code cleanup
remove gui flag in mcsolve_f90
Merge pull request #116 from jrjohansson/rename-gui-to-ui

Rename gui to ui