Update logo_sidebar_horiz.png
backend gtk and gtk3: destroy figure save dialog after use
Merge pull request #2074 from efiring/gtk3save

backend gtk and gtk3: destroy figure save dialog after use; closes #2073
Merge remote-tracking branch 'upstream/v1.2.x' into v1.3.x
Merge pull request #2024 from mdboom/new_logo

Update homepage image
Merge pull request #2066 from GBillotey/oversized_doc_img

[DOC] Mathtext and matshow examples
Merge pull request #2076 from cgohlke/patch-1

Build the _windowing extension
Merge pull request #2077 from rblomberg/yahoo-csv-url-fix

changed URL to the current CSV API for yahoo finance
Fix bug in XFG_CONFIG handling
Fix deprecation warning when running tests
Fixed failing test on python3.
Merge pull request #2080 from pelson/cmap_and_norm_levels_test_fix

Fixed failing test on python3.
Exclude the setuptools stubs in the correct way
Wait until font caches exist before starting tests
Fix Issue #2060: Text bbox alignment
Fix multiline spacing so it takes into account extra sub/superscripts
Correctly set the initial data limit bounding box to null limits rather than the unit bounding box.
Only do the strange autoscale on/off thing when doing a histogram bar plot
Simplify handling of unit and null bboxes
Merge pull request #2070 from mdboom/issue2070

incorrect bbox of text