Update the graph path in Readme and update project number in doxyfile

* Move all the image files used in doxygen to docs/
* Have a single path for all images in Doxyfile
* Update project number to 21.11 in Doxyfile

Signed-off-by: Nikhil Raj <nikhil.raj@arm.com>
Change-Id: Ic9102d36b69a8261caf8e55da645463540e0b9f3
diff --git a/README.md b/README.md
index e4842a5..4af720f 100644
--- a/README.md
+++ b/README.md
@@ -27,7 +27,7 @@
 network can be executed depends on the operations it contains and the available hardware. Below you can see the speedup
 we've been experiencing in our experiments with a few common networks.
 
-\image html docs/PerformanceChart.odt
+\image html PerformanceChart.png
 
 Arm NN is written using portable C++14 and the build system uses [CMake](https://cmake.org/), therefore it is possible
 to build for a wide variety of target platforms, from a wide variety of host environments.
diff --git a/docs/Doxyfile b/docs/Doxyfile
index 43fd269..7dd51b5 100644
--- a/docs/Doxyfile
+++ b/docs/Doxyfile
@@ -61,7 +61,7 @@
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 21.08
+PROJECT_NUMBER         = 21.11
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
@@ -978,7 +978,7 @@
 # that contain images that are to be included in the documentation (see the
 # \image command).
 
-IMAGE_PATH             = python/pyarmnn/
+IMAGE_PATH             = docs/
 
 # The INPUT_FILTER tag can be used to specify a program that doxygen should
 # invoke to filter for each input file. Doxygen will invoke the filter program
diff --git a/python/pyarmnn/images/pyarmnn.png b/docs/pyarmnn.png
similarity index 100%
rename from python/pyarmnn/images/pyarmnn.png
rename to docs/pyarmnn.png
Binary files differ
diff --git a/python/pyarmnn/README.md b/python/pyarmnn/README.md
index ae26346..dc3b8a1 100644
--- a/python/pyarmnn/README.md
+++ b/python/pyarmnn/README.md
@@ -10,7 +10,7 @@
 The [SWIG](http://www.swig.org/) project is used to generate the Arm NN python shadow classes and C wrapper.
 
 The following diagram shows the conceptual architecture of this library:
-![PyArmNN](./images/pyarmnn.png)
+![PyArmNN](docs/pyarmnn.png)
 
 # Setup development environment