libvb/Hypermap_lib: add Le Gall's canonical maps
Checked for appropriately patched libstdc++
tools/graph.hs: option to show system includes
libvb/Constellation: do not optimize on l, less degenerate like this
2D/Potts: 123123123 boundary condition
2D/Potts: a few more boundary conditions
libvb/Hypermap_lib: add subdivision and flower (hyper)maps
libvb/Constellation: make make_p_1() a bit smarter
libvb/cpx.h: allow larger coefficients to be recognized as integer
Start using lattice reduction (fplll dependency added)