Ditch develop branch

CONTRIBUTING.md

@@ -7,7 +7,6 @@ If you plan to contribute to libjson-rpc-cpp, please skim the following informat
 The [Makefile](Makefile) contains useful commands that makes development for libjson-rpc-cpp easier.
 
 * `make build`: builds the framework in the default configuration
-* `make build-docker`: builds the framework for all distributions in docker
 * `make test`: runs all tests
 * `make format`: formats all cpp and header files with `clang-format`
 * `make check-format`: checks if the sources have been formatted
@@ -29,7 +28,7 @@ Here are some suggestions:
   - Adding new connectors.
   - Adding new languages to the stubgenerator.
 
-Additionally you can find a wishlist and planned features [here](https://github.com/cinemast/libjson-rpc-cpp/projects/1)
+In addition, you can find a wishlist and planned features [here](https://github.com/cinemast/libjson-rpc-cpp/projects/1)
 
 ### Guidelines / Conventions
 
@@ -43,10 +42,10 @@ Anyway here is a list of how we would prefer your contributions:
   - Please close issues on yourself if you think a problem has been dealt with.
 
 #### Code contributions:
-  - Please raise a pull-request against the **develop** branch.
+  - Please raise a pull-request.
   - If you add features, please keep the test-coverage at 100% line coverage and document them accordingly (doxygen, manpage, etc.).
   - If you fix a bug, please refer the issue in the [commit message](https://help.github.com/articles/closing-issues-via-commit-messages/).
-  - Please make sure that the travis-ci build passes (you will get notified if you raise a pull-request).
+  - Please make sure that the CI build passes (you will get notified if you raise a pull-request).
   - Add yourself to the AUTHORS.md.
   - Document your changes in the CHANGELOG.md
   - Format the code using `make format`

README.md

@@ -1,7 +1,6 @@
 **I created a new C++17 header only implementation -> [json-rpc-cxx](https://github.com/jsonrpcx/json-rpc-cxx).**
 
 Master [![CircleCI](https://circleci.com/gh/cinemast/libjson-rpc-cpp/tree/master.svg?style=svg)](https://circleci.com/gh/cinemast/libjson-rpc-cpp/tree/master)
-Develop [![CircleCI](https://circleci.com/gh/cinemast/libjson-rpc-cpp/tree/develop.svg?style=svg)](https://circleci.com/gh/cinemast/libjson-rpc-cpp/tree/develop)
 [![codecov](https://codecov.io/gh/cinemast/libjson-rpc-cpp/branch/master/graph/badge.svg?token=QNoXsaI2ta)](https://codecov.io/gh/cinemast/libjson-rpc-cpp)