adds src/plugins/loop_analysis/tests

Makefile

src/plugins/loop_analysis/.gitignore

...alysis/tests/loop_analysis/oracle/mixed_output.res.oracle

...ns/loop_analysis/tests/loop_analysis/oracle/ne.res.oracle

...is/tests/loop_analysis/oracle/non_natural_loop.res.oracle

...s/tests/loop_analysis/oracle/non_natural_loop2.res.oracle

...sis/tests/loop_analysis/oracle/slevel_overflow.res.oracle

...alysis/tests/loop_analysis/oracle/small_loop.0.res.oracle

...alysis/tests/loop_analysis/oracle/small_loop.1.res.oracle

...oop_analysis/tests/loop_analysis/oracle/test.0.res.oracle

...oop_analysis/tests/loop_analysis/oracle/test.1.res.oracle

...analysis/tests/loop_analysis/oracle/with_value.res.oracle

src/plugins/loop_analysis/tests/loop_analysis/with_value.i

src/plugins/loop_analysis/tests/ptests_config

src/plugins/loop_analysis/tests/test_config