move testing program to a separate directory

diff --git a/kbtree_test.c b/test/kbtree_test.c
similarity index 100%
rename from kbtree_test.c
rename to test/kbtree_test.c

diff --git a/khash_keith.c b/test/khash_keith.c
similarity index 100%
rename from khash_keith.c
rename to test/khash_keith.c

diff --git a/khash_keith2.c b/test/khash_keith2.c
similarity index 100%
rename from khash_keith2.c
rename to test/khash_keith2.c

diff --git a/khash_test.c b/test/khash_test.c
similarity index 100%
rename from khash_test.c
rename to test/khash_test.c

diff --git a/klist_test.c b/test/klist_test.c
similarity index 100%
rename from klist_test.c
rename to test/klist_test.c

diff --git a/kmin_test.c b/test/kmin_test.c
similarity index 100%
rename from kmin_test.c
rename to test/kmin_test.c

diff --git a/kseq_bench.c b/test/kseq_bench.c
similarity index 100%
rename from kseq_bench.c
rename to test/kseq_bench.c

diff --git a/kseq_bench2.c b/test/kseq_bench2.c
similarity index 100%
rename from kseq_bench2.c
rename to test/kseq_bench2.c

diff --git a/kseq_test.c b/test/kseq_test.c
similarity index 100%
rename from kseq_test.c
rename to test/kseq_test.c

diff --git a/kseq_test.dat b/test/kseq_test.dat
similarity index 100%
rename from kseq_test.dat
rename to test/kseq_test.dat

diff --git a/ksort_test.c b/test/ksort_test.c
similarity index 100%
rename from ksort_test.c
rename to test/ksort_test.c

diff --git a/ksort_test.cc b/test/ksort_test.cc
similarity index 100%
rename from ksort_test.cc
rename to test/ksort_test.cc

diff --git a/kstring_bench.c b/test/kstring_bench.c
similarity index 100%
rename from kstring_bench.c
rename to test/kstring_bench.c

diff --git a/kstring_bench2.c b/test/kstring_bench2.c
similarity index 100%
rename from kstring_bench2.c
rename to test/kstring_bench2.c

diff --git a/kvec_test.cc b/test/kvec_test.cc
similarity index 100%
rename from kvec_test.cc
rename to test/kvec_test.cc