Issue1613: raise TypeError if array passed to filter routine is not dtype np.float64
Merge pull request #1615 from kevinjos/Issue1613

Issue1613: Upcast all arrays for filtering to float64
put figure outside of events plot and add events count
py3k fix
Merge pull request #1616 from dengemann/pretty_plot_events

ENH: put figure outside of events plot and add events count
FIX: backcompat ICA
Merge pull request #1620 from dengemann/ica_copmat_bw

FIX: backcompat ICA
make nose assert_true optional import
Merge pull request #1621 from maedoc/fixes-nose

make nose assert_true optional import