matplotlib Code

Fix a number of minor issues discovered with "-pedantic"

Remove a bunch of compiler warnings.

Merged revisions 4921-4925 via svnmerge from
https://matplotlib.svn.sourceforge.net/svnroot/matplotlib/branches/v0_91_maint

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r4922 | mdboom | 2008-02-01 13:02:14 -0500 (Fri, 01 Feb 2008) | 3 lines

Backing out Glyph object leak fix, since it causes segfaults with PDF
backend. Will look into it further.
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r4924 | mdboom | 2008-02-01 13:03:52 -0500 (Fri, 01 Feb 2008) | 2 lines

Oops in last commit.
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r4925 | mdboom | 2008-02-01 13:36:38 -0500 (Fri, 01 Feb 2008) | 2 lines

Hopefully fixing the Glyph memory leak properly now.
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Backing out Glyph object leak fix, since it causes segfaults with PDF
backend. Will look into it further.

Merged revisions 4915-4918 via svnmerge from
https://matplotlib.svn.sourceforge.net/svnroot/matplotlib/branches/v0_91_maint

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r4916 | dsdale | 2008-01-31 14:05:28 -0500 (Thu, 31 Jan 2008) | 2 lines

fixed a bug in ticker, unicode string passed to tex
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r4917 | dsdale | 2008-01-31 14:14:20 -0500 (Thu, 31 Jan 2008) | 2 lines

forgot to change unicode string to raw string
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r4918 | mdboom | 2008-02-01 12:19:02 -0500 (Fri, 01 Feb 2008) | 2 lines

Fix reference leak on Glyph objects.
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Fixing bug in font rendering -- the patented freetype hinter appears
to be unable to deal with the non-square hinting grid hack. [Forgot
this file].

Fix some recent reference counting bugs in ft2font.cpp (Thanks to Paul Kienzle).

Fix segfault in FT2Font::clear()

Add a helpful comment.

Simplify and fix a memory leak.