Tag for 4.9.0

Prepare for the 4.8.0 release.

4.7.0 release prep.

This commit was manufactured by cvs2svn to create tag 'proj_4_6_1'.

This commit was manufactured by cvs2svn to create tag 'proj_4_6_0'.

This commit was manufactured by cvs2svn to create tag \'proj_4_5_0\'.

This commit was manufactured by cvs2svn to create tag \'proj_4_4_9\'.

This commit was manufactured by cvs2svn to create tag 'proj_4_4_8'.

This commit was manufactured by cvs2svn to create tag 'proj_4_4_3'.

This commit was manufactured by cvs2svn to create tag \'proj_4_4_7\'.