Rename project in CMake

TODO: to create symlinks to the old names!
diff --git a/programs/pkey/CMakeLists.txt b/programs/pkey/CMakeLists.txt
index 291ff99..8dc7def 100644
--- a/programs/pkey/CMakeLists.txt
+++ b/programs/pkey/CMakeLists.txt
@@ -1,59 +1,59 @@
 add_executable(dh_client dh_client.c)
-target_link_libraries(dh_client polarssl)
+target_link_libraries(dh_client mbedtls)
 
 add_executable(dh_genprime dh_genprime.c)
-target_link_libraries(dh_genprime polarssl)
+target_link_libraries(dh_genprime mbedtls)
 
 add_executable(dh_server dh_server.c)
-target_link_libraries(dh_server polarssl)
+target_link_libraries(dh_server mbedtls)
 
 add_executable(ecdsa ecdsa.c)
-target_link_libraries(ecdsa polarssl)
+target_link_libraries(ecdsa mbedtls)
 
 add_executable(gen_key gen_key.c)
-target_link_libraries(gen_key polarssl)
+target_link_libraries(gen_key mbedtls)
 
 add_executable(key_app key_app.c)
-target_link_libraries(key_app polarssl)
+target_link_libraries(key_app mbedtls)
 
 add_executable(key_app_writer key_app_writer.c)
-target_link_libraries(key_app_writer polarssl)
+target_link_libraries(key_app_writer mbedtls)
 
 add_executable(mpi_demo mpi_demo.c)
-target_link_libraries(mpi_demo polarssl)
+target_link_libraries(mpi_demo mbedtls)
 
 add_executable(rsa_genkey rsa_genkey.c)
-target_link_libraries(rsa_genkey polarssl)
+target_link_libraries(rsa_genkey mbedtls)
 
 add_executable(rsa_sign rsa_sign.c)
-target_link_libraries(rsa_sign polarssl)
+target_link_libraries(rsa_sign mbedtls)
 
 add_executable(rsa_verify rsa_verify.c)
-target_link_libraries(rsa_verify polarssl)
+target_link_libraries(rsa_verify mbedtls)
 
 add_executable(rsa_sign_pss rsa_sign_pss.c)
-target_link_libraries(rsa_sign_pss polarssl)
+target_link_libraries(rsa_sign_pss mbedtls)
 
 add_executable(rsa_verify_pss rsa_verify_pss.c)
-target_link_libraries(rsa_verify_pss polarssl)
+target_link_libraries(rsa_verify_pss mbedtls)
 
 add_executable(rsa_encrypt rsa_encrypt.c)
-target_link_libraries(rsa_encrypt polarssl)
+target_link_libraries(rsa_encrypt mbedtls)
 
 add_executable(rsa_decrypt rsa_decrypt.c)
-target_link_libraries(rsa_decrypt polarssl)
+target_link_libraries(rsa_decrypt mbedtls)
 
 add_executable(pk_sign pk_sign.c)
-target_link_libraries(pk_sign polarssl)
+target_link_libraries(pk_sign mbedtls)
 
 add_executable(pk_verify pk_verify.c)
-target_link_libraries(pk_verify polarssl)
+target_link_libraries(pk_verify mbedtls)
 
 add_executable(pk_encrypt pk_encrypt.c)
-target_link_libraries(pk_encrypt polarssl)
+target_link_libraries(pk_encrypt mbedtls)
 
 add_executable(pk_decrypt pk_decrypt.c)
-target_link_libraries(pk_decrypt polarssl)
+target_link_libraries(pk_decrypt mbedtls)
 
 install(TARGETS dh_client dh_genprime dh_server key_app mpi_demo rsa_genkey rsa_sign rsa_verify rsa_encrypt rsa_decrypt pk_encrypt pk_decrypt pk_sign pk_verify gen_key
         DESTINATION "bin"