moved all symbolic sbml info to shared symbols class with all constant vars, add constness

git-svn-id: https://roadrunnerlib.googlecode.com/svn/branches/develop@999 c0027639-9190-0b57-01eb-f09a03790dae
moved all symbolic sbml info to shared symbols class with all constant vars, add constness

git-svn-id: https://roadrunnerlib.googlecode.com/svn/branches/develop@1000 c0027639-9190-0b57-01eb-f09a03790dae
removed temp code

git-svn-id: https://roadrunnerlib.googlecode.com/svn/branches/develop@1001 c0027639-9190-0b57-01eb-f09a03790dae