remove libgda from compile-common.bash
delete database.vala
test
tmp2
we will use SDL2 in the future (->packages ubuntu)
packages ubuntu -> libgee-dev for common
restore option manager
compiles
tmp3
tmp4
tmp5
compiles2
tmp6
refactor
tmp7
add type coor (aka int32) and begin with graphics operation (lib-side)
fixup: boiler plate close() in database_sqlite.vala (interface update)
change wrong chunk iteration in Chunk_Manager.foreach_model
use unowned instance in referencing manager classes
improve logic in database sqlite