Merge branch 'develop'
fix sytax error in configure
improve detecting of libpq
remove unsafe-loop-optimization flag
fix typo
fix compiler warning
fix `make clean'
fix undefined symbol on ruby1.8
add rpath support in ruby extension
Merge branch 'release/0.7.0'
add missing header
update Gemfile
README moved to github-wiki
Merge branch 'release/0.7.0'
improve detecting of dbd libs
fix sql error on mysql
Merge branch 'release/0.7.0'