Turn Readme.txt into README.md and add notes on compiling dependencies.

nodemanager/README.md

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+## Compiling and Dependencies
+
+The code is compiled on Ubuntu(16.04) with the following dependencies:
+
+* [Boost](https://www.boost.org/) - can be installed by package libboost-all-dev(1.58)
+* [C++ REST SDK](https://github.com/Microsoft/cpprestsdk) - can be installed by package libcpprest-dev(2.8.0-2)
+* [spdlog](https://github.com/gabime/spdlog) - only header files in the `include` dir. Just clone the branch `v1.x` from GitHub. Note that the package libspdlog-dev(1.6-1) is too old to use.
+
+Depending on where the spdlog headers are put, you may need to modify makefile to modify path for spdlog headers.
+
+## Conding Convention
+
+Namespaces should be rooted from "hpc", and have at most 2 layers, which means, you can only define one more layer under "hpc".
+
+Files which contain contents under a sub namespace, should be put into a sub folder with the same name as the sub namespace.
+
+One file should contain only one class.
+
+Private fields, variables should be named using camel convention, while class/struct/methods should be named using Pascal convention.
+
+File names should be in Pascal convention exception main.cpp, while folder names should be in lower case.
+
+## Namespace Description
+
+* arguments: All data structures passed from head directly.
+* common: Anything which doesn't depend on anything outside of common, and possibly be used by anything outside of common.
+* core: Core logic of node manager.
+* data: Core data structures used internally.
+* scripts: All shell scripts.
+* test: Unit test code.
+* utils: Utilities, which could be of general purpose, shouldn't couple with node manager logic and concepts, and could be used by other projects.

nodemanager/Readme.txt

@@ -1,26 +0,0 @@
-== Conding Convention ==
-
-Namespaces should be rooted from "hpc", and have at most 2 layers, which means, you can only
-define one more layer under "hpc".
-
-Files which contain contents under a sub namespace, should be put into a sub folder with the
-same name as the sub namespace.
-
-One file should contain only one class.
-
-Private fields, variables should be named using camel convention, while class/struct/methods
-should be named using Pascal convention.
-
-File names should be in Pascal convention exception main.cpp, while folder names should be
-in lower case.
-
-Namespace description:
-    arguments: All data structures passed from head directly.
-    common: Anything which doesn't depend on anything outside of common, and possibly be used
-        by anything outside of common.
-    core: Core logic of node manager.
-    data: Core data structures used internally.
-    scripts: All shell scripts.
-    test: Unit test code.
-    utils: Utilities, which could be of general purpose, shouldn't couple with node manager
-        logic and concepts, and could be used by other projects.