Changes on the LP interface

_FixId => LpId
- handling of not common ids // soplex
LpGlpk row and col erase bug fix
- calling lpx_std_basis before simplex
LpSoplex
- added getter functions
- better m4 file
- integration to the tests
- better handling of unsolved lps

lemon for Debian

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<possible notes regarding this package - if none, delete this file>

 -- LEMON Development Team <etik-ol@cs.elte.hu>, Tue, 14 Jun 2005 08:29:34 +0200