Swap filter_audio/toxcore dependencies order, minor formatting changes

INSTALL.md

@@ -22,7 +22,6 @@
     - [Ubuntu <15.04](#ubuntu14-other-deps)
     - [Ubuntu >=15.04](#ubuntu-other-deps)
   - [FFmpeg (Ubuntu <15.04)](#ffmpeg)
-  - [filter_audio](#filter_audio)
   - [toxcore dependencies](#toxcore-dependencies)
     - [Arch](#arch-toxcore)
     - [Debian](#debian-toxcore)
@@ -31,6 +30,7 @@
     - [Slackware](#slackware-toxcore)
     - [Ubuntu <15.04](#ubuntu14-toxcore)
     - [Ubuntu >=15.04](#ubuntu-toxcore)
+  - [filter_audio](#filter_audio)
   - [toxcore compiling](#toxcore-compiling)
   - [Compile qTox](#compile-qtox)
 - [OS X](#osx)
@@ -111,7 +111,6 @@ If your distribution is not listed, or you want / need to compile qTox, there ar
 Most of the dependencies should be available through your package manger. You may either follow the directions below, or simply run `./simple_make.sh` after cloning this repository, which will attempt to automatically download dependencies followed by compilation.
 
 
-
 ### Install git
 In order to clone the qTox repository you need Git.
 
@@ -136,7 +135,7 @@ sudo dnf install git
 ```
 
 <a name="opensuse-git" />
-### openSUSE:
+#### openSUSE:
 ```bash
 sudo zypper install git
 ```
@@ -148,7 +147,6 @@ sudo apt-get install git
 ```
 
 
-
 ### Clone qTox
 Afterwards open a new Terminal, change to a directory of your choice and clone the repository:
 ```bash
@@ -173,7 +171,7 @@ sudo pacman -S --needed base-devel qt5 openal libxss qrencode ffmpeg
 #### Debian:
 **Note that only Debian >=8 stable (jessie) is supported.**
 
-If you use stable, you have to add backports to your sources.list for FFmpeg and others. Instructions here: http://backports.debian.org/Instructions/
+If you use stable, you have to add backports to your `sources.list` for FFmpeg and others. Instructions here: http://backports.debian.org/Instructions/
 
 ```bash
 sudo apt-get install build-essential qt5-qmake qt5-default qttools5-dev-tools libqt5opengl5-dev libqt5svg5-dev libopenal-dev libxss-dev qrencode libqrencode-dev libavutil-ffmpeg-dev libswresample-ffmpeg-dev libavcodec-ffmpeg-dev libswscale-ffmpeg-dev libavfilter-ffmpeg-dev libavdevice-ffmpeg-dev libglib2.0-dev libgdk-pixbuf2.0-dev libgtk2.0-dev
@@ -279,29 +277,6 @@ cd ../../
 ```
 
 
-
-### filter_audio
-This step is  best done before compiling `toxcore`.
-
-Now you can either follow the instructions at https://github.com/irungentoo/toxcore/blob/master/INSTALL.md#unix or use the [`bootstrap.sh`](/bootstrap.sh) script.
-The script will automatically download and install `toxcore` and `libfilteraudio`:
-```bash
-## in qTox directory
-./bootstrap.sh # use -h or --help for more information
-
-```
-If you've used script, you can skip directly to [compiling qTox](#compile-qtox).
-
-
-If you want to compile and install it manually:
-```bash
-git clone https://github.com/irungentoo/filter_audio
-cd filter_audio
-make -j$(nproc)
-sudo make install
-```
-
-
 ### toxcore dependencies
 
 Install all of the toxcore dependencies.
@@ -362,6 +337,28 @@ sudo apt-get install libtool autotools-dev automake checkinstall check libopus-d
 ```
 
 
+### filter_audio
+This step is  best done before compiling `toxcore`.
+
+Now you can either follow the instructions at https://github.com/irungentoo/toxcore/blob/master/INSTALL.md#unix or use the [`bootstrap.sh`](/bootstrap.sh) script.
+The script will automatically download and install `toxcore` and `libfilteraudio`:
+```bash
+## in qTox directory
+./bootstrap.sh # use -h or --help for more information
+
+```
+If you've used script, you can skip directly to [compiling qTox](#compile-qtox).
+
+
+If you want to compile and install it manually:
+```bash
+git clone https://github.com/irungentoo/filter_audio
+cd filter_audio
+make -j$(nproc)
+sudo make install
+```
+
+
 ### toxcore compiling
 
 Provided that you have all required dependencies installed, you can simply run: