Consider ourselves interactive if sys.flags.interactive is set.
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qt4 subplottool is modal now + new layout
subplottool -> whats_new.rst
fix wrong backend name in whats_new
cleanup in subplottool + new style qt fix

Signed-off-by: Thomas Hisch <t.hisch@gmail.com>
setupext: put pkg-config -I, -L, -l locations at the head of the list

The assumption here is that we want the pkg-config info to take
precedence, so its -I and -L output should be prepended, not
appended to the lists used to construct the compiler and linker
commands.  It is less clear whether the -l info also should
be prepended, as it is in the changeset; ideally, it wouldn't
matter, but for some compilers, it might.  If so, -l can
be handled separately from -I and -L.
fix typo in furmsubplottool

Signed-off-by: Thomas Hisch <t.hisch@gmail.com>
Merge pull request #2623 from efiring/include_order

setupext: put pkg-config -I, -L, -l locations at the head of the list
Merge pull request #2594 from rhoef/newsubplottool

New layout for qt4 subplottool + QMainWindow -> QDialog
backend_qt4agg and qt4: remove redundant classes, unused method.  Closes #1151.
Added new-style formatter function.

Added class `StrMethodFormatter` which is identical to `FormatStrFormatter`
only for new-style ('{}'.format) formatting methods.
Merge pull request #2629 from efiring/qt4agg_remove_unneeded

backend_qt4agg: remove redundant classes.  Closes #1151.
BUGFIX: ensure that number of classes is always of type INT in Colormap
Axes.plot: remove set_default_color_cycle from the docstring

It has been removed in 2c24a7c13645fbf0c79bb102274604c3f37b70d2.
Merge pull request #2639 from bulli92/master

BUGFIX: ensure that number of classes is always of type INT in Colormap
Fix for when pyparsing isn't present

Conflicts:
	setupext.py
Merge pull request #2639 from bulli92/master

BUGFIX: ensure that number of classes is always of type INT in Colormap
pep8 fixes
Merge remote-tracking branch 'upstream/v1.3.x'

Conflicts:
	lib/matplotlib/axis.py
	lib/matplotlib/tests/test_axes.py