remove "Python 2" related text blocks

Author: jakoch

developer-manual/en/chapter01-building-fifengine-on-linux.adoc

@@ -39,7 +39,7 @@ http://www.swig.org/
 
 ===== Python
 
-To build the Python extension you need Python. Fife works with Python 2.7 and Python 3.4+
+To build the Python extension you need Python. Fife works with Python 3.4+
 
 ==== Dependencies
 
@@ -62,13 +62,6 @@ NOTE: We are working on building the dependencies on the fly. For now we simply
 
 On debian based systems you can grab all dependencies by installing the following packages:
 
-Python 2:
-
-[source,bash]
-----
-apt-get install -y build-essential libalsa-ocaml-dev libsdl2-dev libboost-dev libsdl2-ttf-dev libsdl2-image-dev libvorbis-dev libalut-dev python2.7 python-dev libboost-regex-dev libboost-filesystem-dev libboost-test-dev swig zlib1g-dev libopenal-dev git python-yaml libxcursor1 libxcursor-dev cmake cmake-data libtinyxml-dev libpng-dev libglew-dev
-----
-
 Python 3:
 
 [source,bash]
@@ -78,13 +71,6 @@ apt-get install -y build-essential libalsa-ocaml-dev libsdl2-dev libboost-dev li
 
 ====== Gentoo based systems
 
-Python 2:
-
-[source,bash]
-----
-emerge --ask --verbose --noreplace libvorbis libogg media-libs/openal boost libsdl2 sdl2-image sdl2-ttf git pyyaml dev-lang/swig dev-libs/tinyxml dev-util/cmake media-libs/glew dev-lang/python2.7
-----
-
 Python 3:
 
 [source,bash]
@@ -94,13 +80,6 @@ emerge --ask --verbose --noreplace libvorbis libogg media-libs/openal boost libs
 
 ====== Fedora based systems
 
-Python 2:
-
-[source,bash]
-----
-dnf install git python2 gcc gcc-c++ SDL2 SDL2-static SDL2-devel SDL2_ttf SDL2_ttf-devel SDL2_image SDL2_image-devel boost boost-devel libvorbis libvorbis-devel libogg libogg-devel openal-soft openal-soft-devel zlib zlib-devel mesa-libGL mesa-libGL-devel mesa-libGLU mesa-libGLU-devel swig libXcursor libXcursor-devel alsa-lib alsa-lib-devel python-alsa PyYAML allegro5 cmake tinyxml-devel libpng libpng-devel fifechan fifechan-devel fifechan-opengl fifechan-opengl-devel fifechan-sdl fifechan-sdl-devel glew glew-devel
-----
-
 Python 3:
 
 [source,bash]
@@ -110,13 +89,6 @@ dnf install git python3 gcc gcc-c++ SDL2 SDL2-static SDL2-devel SDL2_ttf SDL2_tt
 
 ====== Arch Linux based systems
 
-Python 2:
-
-[source,bash]
-----
-pacman -S sdl2 boost sdl2_ttf sdl2_image libvorbis libogg openal swig python2 zlib libgl libpng tinyxml python2-pillow cmake glew
-----
-
 Python 3:
 
 [source,bash]

developer-manual/en/chapter01-building-fifengine-on-mac.adoc

@@ -31,7 +31,7 @@ http://www.swig.org/
 
 ===== Python
 
-To build the Python extension you need Python. Fife works with Python 2.7 and Python 3.4+
+To build the Python extension you need Python. Fife works with Python 3.4+
 
 ==== Dependencies
 

developer-manual/en/chapter01-building-fifengine-on-windows.adoc

@@ -47,11 +47,10 @@ http://www.swig.org/
 
 ===== Python
 
-To build the Python extension you need Python. Fife works with Python 2.7 and Python 3.4+
+To build the Python extension you need Python. Fife works with Python 3.4+
 
 * http://python.org/[Python]
 ** https://www.python.org/downloads/windows/[Python Downloads for Windows]
-** https://www.python.org/ftp/python/2.7.12/python-2.7.12.msi[Download Python 2.7.12 (msi)]
 ** https://www.python.org/ftp/python/3.5.2/python-3.5.2.exe[Download Python 3.5.2 (exe)]
 
 ==== Dependencies
@@ -103,7 +102,7 @@ dir ..\fifengine-dependencies\includes /s
 
 ==== Building Fifengine
 
-If you have Python 2 and Python 3 installed you can choose the Version with the comamnd:
+If you have Python 3 installed you can choose the Version with the command:
 
 [source,bash]
 ----

developer-manual/en/chapter01-cmake-configuration-options.adoc

@@ -66,7 +66,7 @@ or by using the CMake-Gui and selecting the folders.
 
 `-DPYTHON_INCLUDE_DIR="C:\fifesdk\python\include"`:: helper to find Python
 
-`-DPYTHON_LIBRARY="C:\fifesdk\python\libs\python27.lib"`:: helper to find Python
+`-DPYTHON_LIBRARY="C:\fifesdk\python\libs\python3.lib"`:: helper to find Python
 
 `-DSWIG_DIR=C:\fifesdk\swig`:: helper to find Swig folder
 

developer-manual/en/list-of-dependencies.adoc

@@ -25,7 +25,7 @@ The following dependencies are needed to build FIFE from source:
 
 * Python scripting-related libraries
 ** http://www.swig.org/[swig] >= 1.3.40
-** http://www.python.org/[python] >= 2.7
+** http://www.python.org/[python] >= 3
 
 * Compression libraries
 ** http://www.zlib.net/[zlib] >= 1.2