Add libtiff 4.0.3 support.

git-svn-id: http://pylibtiff.googlecode.com/svn/trunk@95 4a3e2f78-2e7b-11de-9b0f-33ff132f608d
ignore extra bytes from tiff strip data

git-svn-id: http://pylibtiff.googlecode.com/svn/trunk@96 4a3e2f78-2e7b-11de-9b0f-33ff132f608d
enable scripts when wx not present

git-svn-id: http://pylibtiff.googlecode.com/svn/trunk@97 4a3e2f78-2e7b-11de-9b0f-33ff132f608d
Make libtiff inplace buildable

git-svn-id: http://pylibtiff.googlecode.com/svn/trunk@98 4a3e2f78-2e7b-11de-9b0f-33ff132f608d