Merge branch 'update-readme' into 'master'

Update readme

Updated the main README file to include a list of dependencies.

Forgot to update my e-mail address, so I closed Merge Request !44 first.

See merge request !45

README

@@ -9,22 +9,35 @@ assist in creating, testing and submitting metadata to the main repository.
 
 For documentation, please see the docs directory.
 
-Alternatively, visit https://f-droid.org/manual/
+Alternatively, visit [https://f-droid.org/manual/](https://f-droid.org/manual/)
 
 
 Installing
 ----------
 
-The easiest way to install the fdroidserver tools is to use virtualenv and pip
+The easiest way to install the `fdroidserver` tools is on Debian, Ubuntu, Mint
-(if you are Debian/Ubuntu/Mint/etc, you can first try installing using
+or other Debian based distributions, you can install using:
-`apt-get install fdroidserver`).  First, make sure you have virtualenv
+
-installed, it should be included in your OS's Python distribution or via other
+    sudo add-apt-repository ppa:guardianproject/ppa
-mechanisms like dnf/yum/pacman/emerge/Fink/MacPorts/Brew.  Then here's how to
+    sudo apt-get update
-install:
+    sudo apt-get install fdroidserver
+
+But you can also use `virtualenv` and `pip` python tools that also work on other
+distributions.
+
+First, make sure you have installed the python header files, virtualenv and pip.
+They should be included in your OS's default package manager or you can install
+them via other mechanisms like Brew/dnf/pacman/emerge/Fink/MacPorts.
+
+For Debian based distributions:
+
+    apt-get install python-dev python-pip python-virtualenv
+
+Then here's how to install:
 
     git clone https://gitlab.com/fdroid/fdroidserver.git
     cd fdroidserver
     virtualenv env/
-    . env/bin/activate
+    source env/bin/activate
     pip install -e .
     python2 setup.py install