Exploded lang file into multiple ones

Update strings.json, compile.py, and 17 more files...

commons/strings/en/about.json

@@ -0,0 +1,7 @@
+{
+  "about.biography.title": "Who am I ?",
+  "about.philosophy.title": "Projects philosophy",
+  "about.skills.title": "Skills",
+  "about.work.title": "Professional experiences",
+  "about.education.title": "TODO:SchoolAndEducation"
+}