Adding travis ci to the repo
diff --git a/.ci_tools/misc_ci.sh b/.ci_tools/misc_ci.sh
new file mode 100644
index 0000000..01bd248
--- /dev/null
+++ b/.ci_tools/misc_ci.sh
@@ -0,0 +1,19 @@
+#!/bin/bash
+set +e
+
+MISC_STATUS=0
+
+# check that all targetSdkVersion are 26+
+# test "$(grep -H targetSdkVersion */app/build.gradle | tee /dev/stderr | cut -d= -f 2 | xargs -n1 echo | sort | uniq | wc -l)" = "2"
+# check that there is no tabs in AndroidManifest
+(! grep -n $'\t' */*/src/main/AndroidManifest.xml) | cat -t;
+MISC_STATUS=$(($MISC_STATUS + ${PIPESTATUS[0]}))
+
+# check that there is no trailing spaces in AndroidManifest
+(! grep -E '\s+$' */*/src/main/AndroidManifest.xml) | cat -e;
+MISC_STATUS=$(($MISC_STATUS + ${PIPESTATUS[0]}))
+
+# populate the error to final status
+if [[ "$MISC_STATUS" -ne 0 ]]; then
+ SAMPLE_CI_RESULT=$(($SAMPLE_CI_RESULT + 1))
+fi