refactor input parameters handling

Change-Id: I599be7b0c0f9724f954fb4790dcd7d03538fdcb7
Issue-ID: VNFSDK-350
Signed-off-by: Moshe <moshehoa@amdocs.com>

fix test

Issue-ID: VNFSDK-350
Change-Id: I8f3c0b80220e88660f0a0d00c1207abd30ed2208
Signed-off-by: Moshe <moshehoa@amdocs.com>

fix test

Issue-ID: VNFSDK-350
Change-Id: Ica479453d60129ed033dfcf613dbe73bb1c60bd0
Signed-off-by: Moshe <moshehoa@amdocs.com>

fix test

Issue-ID: VNFSDK-350
Change-Id: If9470517623074708e1c602b4683a958227d16c6
Signed-off-by: Moshe <moshehoa@amdocs.com>
diff --git a/MANIFEST.in b/MANIFEST.in
new file mode 100644
index 0000000..c7c2157
--- /dev/null
+++ b/MANIFEST.in
@@ -0,0 +1 @@
+recursive-include app/ *
\ No newline at end of file