Adding models as plugins + Face filtering (#53) + #39 + #43 + #44 + #49…

… (#61)

* Making Models as plugins

* Do not reload model on each image #39 + Adding FaceFilter #53

* Adding @lukaville PR for #43 and #44 (possibly)

* Training done in a separate thread

* Better log for plugin load

* Adding a prefetch to train.py #49
(Note that we prefetch 2 batches of images, due to the queue behavior)
+ More compact logging with verbose info included

* correction of DirectoryProcessor signature

* adding missing import

* Convert with parallel preprocessing of files

* Added coverage var for trainer

Added a var with comment. Feel free to add it as argument

* corrections

* Modifying preview and normalization of image + correction

* Cleanup

Dockerfile

@@ -7,15 +7,14 @@ RUN apt-get update -qq \
  && apt-get install --no-install-recommends -y \
     # install essentials
 	build-essential \ 
-	cmake \
-	# Boost for dlib
-	libboost-all-dev \ 
 	# install python 3
 	python3.5 \ 
+	python3-dev \
 	python3-pip \ 
-	python3-virtualenv \ 
 	python3-wheel \ 
-	pkg-config \
+	# Boost for dlib
+	cmake \
+	libboost-all-dev \ 
 	# requirements for keras
 	python3-h5py \
 	python3-yaml \