shell -> bash

Author: sviridov

CONTRIBUTING.md

@@ -68,7 +68,7 @@ There are three tools that helps us to test emacs-elixir:
 
 To install [EVM](https://github.com/rejeep/evm), run:
 
-```shell
+```bash
 $ sudo mkdir /usr/local/evm
 $ sudo chown $USER: /usr/local/evm
 $ curl -fsSkL https://raw.github.com/rejeep/evm/master/go | bash
@@ -77,13 +77,13 @@ $ export PATH="~/.evm/bin:$PATH" # Add it to your .bashrc or analogue
 
 To list all available Emacs versions you can install, run:
 
-```shell
+```bash
 $ evm list
 ```
 
 To install a version (for example `emacs-24.3-bin`), run:
 
-```shell
+```bash
 $ evm install emacs-24.3-bin
 ```
 
@@ -93,14 +93,14 @@ Read more about [EVM](https://github.com/rejeep/evm).
 
 To install Cask, run:
 
-```shell
+```bash
 $ curl -fsSkL https://raw.github.com/cask/cask/master/go | python
 $ export PATH="~/.cask/bin:$PATH" # Add it to your .bashrc or analogue
 ```
 
 To install [Ert-runner](https://github.com/rejeep/ert-runner.el), run:
 
-```shell
+```bash
 $ cd path/to/emacs-elixir
 $ cask install # install ert-runner
 $ EMACS=`evm bin emacs-24.3-bin` cask install # install ert-runner for Emacs 24.3
@@ -110,37 +110,37 @@ $ EMACS=`evm bin emacs-24.3-bin` cask install # install ert-runner for Emacs 24.
 
 * Run all tests:
 
-```shell
+```bash
 $ cask exec ert-runner
 ```
 
 * Run all tests for Emacs 24.3:
 
-```shell
+```bash
 $ EMACS=`evm bin emacs-24.3-bin` cask exec ert-runner
 ```
 
 Run all tests which are tagged `fontification`:
 
-```shell
+```bash
 $ cask exec ert-runner -t fontification
 ```
 
 Run all tests with `elixir-smie-verbose-p` equal to `t`:
 
-```shell
+```bash
 $ cask exec ert-runner --verbose
 ```
 
 Run all tests interactively:
 
-```shell
+```bash
 $ cask exec ert-runner --win
 ```
 
 Run all tests which are tagged `fontification` for Emacs 24.3 interactively:
 
-```shell
+```bash
 $ EMACS=`evm bin emacs-24.3-bin` cask exec ert-runner -t fontification --win
 ```