Multi db version#14

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JoshHsieh wants to merge 2 commits intoxdite:masterfrom

JoshHsieh:MultiDBVersion

Commits on Jun 7, 2013

function : setup_database is enhanced, using case-when instead
JoshHsieh
committed
add function : use_sqlite_config_template, use_postgresql_config_template for multi db support
JoshHsieh
committed