remove cmocka from submodules and update docs

.travis.yml

@@ -37,7 +37,6 @@ branches:
     - master
 
 script:
-  - sh ./build-deps.sh
   - sh ./autogen.sh
   - if [[ "$CC" == "gcc" && "$CODE_COVERAGE" == "ON" ]]; then
       ./configure CFLAGS="-ftest-coverage -fprofile-arcs";
@@ -49,7 +48,7 @@ script:
 
 after_success:
   - if [[ "$CC" == "gcc" && "$CODE_COVERAGE" == "ON" ]]; then
-      pip install --user cpp-coveralls && 
+      pip install --user cpp-coveralls &&
       coveralls
         --build-root .
         --exclude lib
@@ -58,5 +57,5 @@ after_success:
         --verbose;
     fi
 
-after_failure:
-  - cat ./test-suite.log
+# after_failure:
+#   - cat ./test-suite.log