message: Add Fedora dep readline-devel
  `libreadline-dev` is a Debian based distro package name.
  Move it into the appropriate section, and add the Fedora
  equivalent.
diff: @@ -64,12 +64,11 @@ If qmake is not on your PATH, set this first, before running make:
  export QMAKE=/usr/bin/qmake-qt5
  ```
  -You also need libreadline-dev to build.
  -
  Below are some distribution specific package requirements:
  ## Debian
  +* libreadline-dev
  * qt5-default
  * libxss-dev
  * libqt5x11extras5-dev
  @@ -77,6 +76,7 @@ Below are some distribution specific package requirements:
  ## Ubuntu
  +* libreadline-dev
  * xorg-dev
  * qtcreator
  * libxss-dev
  @@ -86,6 +86,7 @@ Below are some distribution specific package requirements:
  ## Fedora
  +* readline-devel
  * qt5-qtwebkit-devel
  * libXScrnSaver-devel
  * qt5-qtsvg
  