Create 3_developpement

3_developpement

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+Developpement
+==============
+
+source management
+-----------------
+
+  pacman -S git mercurial
+
+graphic tools
+-------------
+
+  pacman -S tk tig meld doxygen graphviz ctags
+
+python
+------
+
+  pacman -S python-pip python2-pip
+
+Builder
+-------
+
+  pacman -S clang gcc cmake
+  pip install lutin --user
+  pip install pillow --user
+
+