Update debian/*, documents

Signed-off-by: Kouhei Maeda <mkouhei@palmtb.net>
rename directory tests to kensa_tests

Signed-off-by: Kouhei Maeda <mkouhei@palmtb.net>
Fix init script, debian/rules

Signed-off-by: Kouhei Maeda <mkouhei@palmtb.net>
Fix remove/purge process

Signed-off-by: Kouhei Maeda <mkouhei@palmtb.net>
Fix module name

Signed-off-by: Kouhei Maeda <mkouhei@palmtb.net>