matrices pre-loaded in three steps through ajax
load matrix in three seprate session files
Second commit for pre-loading matrix
mods to session handling
Merge branch 'MinLoadjqGrid' of https://github.com/Hippocampome-Org/php into MinLoadjqGrid

Conflicts:
	index.php
added index file
modified with matix table having constant size
loading sessions after login, meanwhile showing spinning icon