Adds tests for some expected state update during flat_spatial_pooler compute() calls
Verify perms are not changed when randomSP is True; Add additional records to verify expected active column count; Remove accidentally included comments
Merge pull request #372 from iandanforth/mer857

Adds tests for some expected state update during flat_spatial_pooler com...
Merge branch 'master' into reduced-mem-omit_store