Change the appearance of `README`

It makes sure not to keep much of a visual strain on specific distro instructions
Small change on `README`

Made sure to separate the different phases of the building process.

Also, added bash syntax highlighting to the build block.
Merge pull request #45 from alexdantas/edit-readme

Small changes on the `README`
Fix #41: TERM env variable is now set by the plugin.
added fedora dependencies and compile instructions to readme
- gitignore update
Merge pull request #50 from AYastrebov/master

Added Qt files to gitignore
Merge pull request #48 from kiwistrongis/master

added fedora dependencies and compile instructions to README.md
It is now possible to add the menubar.
Disabled mono channel textures which were unsupported on some systems.