Add a 'test' build target

This is simply an alias for the "check" target generated by automake.

Signed-off-by: Morten Hustveit <morten.hustveit@gmail.com>
Merge branch 'master' of github.com:mortehu/cantera-term
Remove bash plugin and add -z relro linker flag

The bash plugin has not proven to be worth the added complexity.

Marking relocated code as read-only after initialization silences some security
auditing code.

Signed-off-by: Morten Hustveit <morten.hustveit@gmail.com>