New and updated sample function Dockerfiles & deleted NodeBaseFunction

Signed-off-by: rgee0 <richard@technologee.co.uk>

sample-functions/SentimentAnalysis/Dockerfile

@@ -1,6 +1,7 @@
 FROM python:2.7-alpine
-RUN pip install textblob
-RUN python -m textblob.download_corpora
+
+RUN pip install textblob && \
+    python -m textblob.download_corpora
 
 ADD https://github.com/alexellis/faas/releases/download/0.5.1-alpha/fwatchdog /usr/bin
 RUN chmod +x /usr/bin/fwatchdog

sample-functions/SentimentAnalysis/Dockerfile.armhf

@@ -0,0 +1,17 @@
+FROM arm32v7/python:2.7-slim
+
+RUN pip install textblob && \
+    python -m textblob.download_corpora
+
+ADD https://github.com/alexellis/faas/releases/download/0.6.0/fwatchdog-armhf /usr/bin/fwatchdog
+RUN chmod +x /usr/bin/fwatchdog
+
+WORKDIR /root/
+
+COPY handler.py .
+
+ENV fprocess="python handler.py"
+
+HEALTHCHECK --interval=1s CMD [ -e /tmp/.lock ] || exit 1
+
+CMD ["fwatchdog"]

sample-functions/SentimentAnalysis/build.armhf.sh

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+echo "Building functions/sentimentanalysis:armhf..."
+docker build -t functions/sentimentanalysis:armhf . -f Dockerfile.armhf
+