fix dialog_transaction.py
change logger algorithm and clean mysql workbench file
change delete transaction algorithm
adjust gui on linux mint 15
add column time_create, time_delete to table t_cargo, t_people, t_user
add *.log to ignore
add auto changelog to README.md
test link on readme.md
reduce code
Merge branch 'master' of https://github.com/36kungfu/ecycle