Update docs for 0.5 release

Author: Sxnan

doc/quick-start/quick_start_pytorch.md

@@ -74,12 +74,12 @@ dependency with pip.
 
 Install the latest stable release of `dl-on-flink-framwork`
 ```bash
-python3 -m pip install --upgrade dl-on-flink-framework
+python3 -m pip install --upgrade dl-on-flink-framework~=0.5
 ```
 
 Install the latest stable release of `dl-on-flink-pytorch`
 ```bash
-python3 -m pip install --upgrade dl-on-flink-pytorch
+python3 -m pip install --upgrade dl-on-flink-pytorch~=0.5
 ```
 
 ## Starting Local Standalone Cluster

doc/quick-start/quick_start_pytorch_estimator.md

@@ -74,12 +74,12 @@ dependency with pip.
 
 Install the latest stable release of `dl-on-flink-framwork`
 ```bash
-python3 -m pip install --upgrade dl-on-flink-framework
+python3 -m pip install --upgrade dl-on-flink-framework~=0.5
 ```
 
 Install the latest stable release of `dl-on-flink-pytorch`
 ```bash
-python3 -m pip install --upgrade dl-on-flink-pytorch
+python3 -m pip install --upgrade dl-on-flink-pytorch~=0.5
 ```
 
 ## Starting Local Standalone Cluster

doc/quick-start/quick_start_tensorflow_1.15.md

@@ -74,12 +74,12 @@ dependency with pip.
 
 Install the latest stable release of `dl-on-flink-framwork`
 ```bash
-python3 -m pip install --upgrade dl-on-flink-framework
+python3 -m pip install --upgrade dl-on-flink-framework~=0.5
 ```
 
 Install the latest stable release of `dl-on-flink-tensorflow`
 ```bash
-python3 -m pip install --upgrade dl-on-flink-tensorflow
+python3 -m pip install --upgrade dl-on-flink-tensorflow~=0.5
 ```
 
 ## Starting Local Standalone Cluster

doc/quick-start/quick_start_tensorflow_2.4.md

@@ -74,12 +74,12 @@ dependency with pip.
 
 Install the latest stable release of `dl-on-flink-framwork`
 ```bash
-python3 -m pip install --upgrade dl-on-flink-framework
+python3 -m pip install --upgrade dl-on-flink-framework~=0.5
 ```
 
 Install the latest stable release of `dl-on-flink-tensorflow-2.x`
 ```bash
-python3 -m pip install --upgrade dl-on-flink-tensorflow-2.x
+python3 -m pip install --upgrade dl-on-flink-tensorflow-2.x~=0.5
 ```
 
 ## Starting Local Standalone Cluster

doc/quick-start/quick_start_tensorflow_estimator_1.15.md

@@ -74,12 +74,12 @@ dependency with pip.
 
 Install the latest stable release of `dl-on-flink-framwork`
 ```bash
-python3 -m pip install --upgrade dl-on-flink-framework
+python3 -m pip install --upgrade dl-on-flink-framework~=0.5
 ```
 
 Install the latest stable release of `dl-on-flink-tensorflow`
 ```bash
-python3 -m pip install --upgrade dl-on-flink-tensorflow
+python3 -m pip install --upgrade dl-on-flink-tensorflow~=0.5
 ```
 
 ## Starting Local Standalone Cluster

doc/quick-start/quick_start_tensorflow_estimator_2.4.md

@@ -80,13 +80,13 @@ dependency with pip.
 Install the latest stable release of `dl-on-flink-framwork`
 
 ```bash
-python3 -m pip install --upgrade dl-on-flink-framework
+python3 -m pip install --upgrade dl-on-flink-framework~=0.5
 ```
 
 Install the latest stable release of `dl-on-flink-tensorflow-2.x`
 
 ```bash
-python3 -m pip install --upgrade dl-on-flink-tensorflow-2.x
+python3 -m pip install --upgrade dl-on-flink-tensorflow-2.x~=0.5
 ```
 
 ## Starting Local Standalone Cluster