extend PDBFile parameter to allow the contents of the PDB file being associated to be passed to the applet

Extend the PDBFile applet parameter to allows you to do something like :
<param name="PDBFile1" value="FER1_MAIZE paste:HEADER OXIDOREDUCTASE/ELECTRON TRANSPORT 08-MAY-00 1GAQ
ATOM 2 CA GLU A 19 20.491 30.713 36.290 1.00 74.29 C
ATOM 11 CA SER A 20 24.056 29.774 37.264 1.00 72.09 C
ATOM 17 CA LYS A 21 27.517 31.289 37.563 1.00 70.09 C
ATOM 26 CA LYS A 22 28.794 27.865 36.481 1.00 68.64 C
ATOM 35 CA GLN A 23 29.484 26.806 32.884 1.00 70.46 C
ATOM 44 CA GLU A 24 26.420 25.175 31.360 1.00 72.08 C
ATOM 53 CA GLU A 25 26.736 26.049 27.683 1.00 70.43 C
..
">
to associated raw pdb data to the FER1_MAIZE sequence.

idea came from request from Jeanre Smit (http://www.compbio.dundee.ac.uk/pipermail/jalview-discuss/2011-March/000569.html)