simplified unit conversion helper functions
updated unit tests for unit conversion to use new unified function
added Odeoptions argument to smesolve and ssesolve
added plot style to Bloch that connects points with a line
use the color configuration for line plots in bloch
Added timezone information to version_table
Merge pull request #15 from markusbaden/tz_info

Added timezone information to version_table
start on notebook on mean-field master equations
Merge branch 'master' of github.com:qutip/qutip
text updates in notebook
UPDATED: filio pickle now uses cPickle for speed
UPDATED: Qobj and Odedata classes now save qutip version when pickled.

Saving version numbers with the pickled files may help in the future to
address incompatibilities.  The qutip version key is removed before the
class __dict__ is updated so this feature is transparent to the user.
added probability distribution for a harmonic oscillator, given its density matrix
cast kets to density matrices
bugfix
minor code cleanup
experimental stochatic pdp solver for comparison with sde solvers
added new text based progressbar class and a standardized interface, so that different progressbar types can be swappable
use new text-based progressbar class in stochastic module by default. can be swapped to qutip.ipynbtools.HTMLProgressbar by passing an instance of that class to the solver
set HTMLProgressBar to 100% when finished() is called