Add both the build and install tree library locations to LD_RUN_PATH. Split building of plplot_octave.oct into a compile and a link step, to easy relinking only at install time (when it gets implemented, as an "install" target is the wrong way of doing it under automake).
Add both the build and install tree library locations to LD_RUN_PATH.
Split building of plplot_octave.oct into a compile and a link step, to easy relinking only at install time (when it gets implemented, as an "install" target is the wrong way of doing it under automake).

svn path=/trunk/; revision=4204

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