Add acknowledgments

doc/acknowledgements.rst

+.. -*- coding: utf-8 -*-
+.. _bob.ip.binseg.acknowledgements:
+
+================
+Acknowledgements
+================
+
+This packages utilizes code from the following packages:
+
+* The model-checkpointer is based on the Checkpointer in maskrcnn_benchmark by::
+
+    @misc{massa2018mrcnn,
+    author = {Massa, Francisco and Girshick, Ross},
+    title = {{maskrcnn-benchmark: Fast, modular reference implementation of Instance Segmentation and Object Detection algorithms in PyTorch}},
+    year = {2018},
+    howpublished = {\url{https://github.com/facebookresearch/maskrcnn-benchmark}},
+    note = {Accessed: 2019.05.01}
+    }
+
+* The AdaBound optimizer code by::
+
+    @inproceedings{Luo2019AdaBound,
+     author = {Luo, Liangchen and Xiong, Yuanhao and Liu, Yan and Sun, Xu},
+     title = {Adaptive Gradient Methods with Dynamic Bound of Learning Rate},
+     booktitle = {Proceedings of the 7th International Conference on Learning Representations},
+     month = {May},
+     year = {2019},
+     address = {New Orleans, Louisiana}
+    }   
+
+* The MobileNetV2 backbone is based on an implementation by::
+
+    @misc{tonylins,
+    author = {Ji Lin},
+    title = {pytorch-mobilenet-v2},
+    year = {2018}
+    howpublished = {\url{https://github.com/tonylins/pytorch-mobilenet-v2}},
+    note = {Accessed: 2019.05.01}
+    }

doc/index.rst

@@ -26,6 +26,7 @@ Users Guide
    plotting
    visualization
    api
+   acknowledgements
 
 .. todolist::