Restructured repository to make space for new sections

.gitignore

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+/.ipynb_checkpoints
+/01-Introduction/.ipynb_checkpoints
+/02-DataFrames/.ipynb_checkpoints
+/03-HypothesisTests/.ipynb_checkpoints
+/04-GLM/.ipynb_checkpoints
+/05-Optimization/.ipynb_checkpoints
+/06-MCMC/.ipynb_checkpoints
+/07-MachineLearning/.ipynb_checkpoints

01-Introduction/01-01-Introduction.ipynb

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+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Some Advantageous Julia Features"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "Julia is a valuable programming language for a number of reasons, including:\n",
+    "- performance (usually within a factor of two of C code),\n",
+    "- ease of programming providing a high-level syntax,\n",
+    "- carefully designed numerical accuracy,\n",
+    "- integration of mature C and Fortran libraries for linear algebra,\n",
+    "- bindings for a range of mature libraries such as GSL, NLopt, Sundials and MPI,\n",
+    "- a message passing implementation for parallel and distributed computation,\n",
+    "- ability to call C functions directly without needing wrappers,\n",
+    "- ability to call Python functions,\n",
+    "- a built-in git-based package manager,\n",
+    "- centralized package ecosystem,\n",
+    "- an active community that reviews and improves the code base and contributes packages,\n",
+    "- free usage (MIT licensed)."
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# How to Get Started with Julia"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "There are various Julia environments to get started:\n",
+    "- the REPL, a shell-alike interactive environment,\n",
+    "- the command line; write your script using your favourite text editor and pass it to Julia as an argument (`julia script.jl arg1 arg2`),\n",
+    "- [IJulia](https://github.com/JuliaLang/IJulia.jl), the browser-based graphical notebook interface to Julia,\n",
+    "- [Sublime-IJulia](https://github.com/quinnj/Sublime-IJulia), a Julia plugin for Sublime,\n",
+    "- [Julia-LT](https://github.com/one-more-minute/Julia-LT), a Julia plugin for Light Table."
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Julia 0.4.5",
+   "language": "julia",
+   "name": "julia-0.4"
+  },
+  "language_info": {
+   "file_extension": ".jl",
+   "mimetype": "application/julia",
+   "name": "julia",
+   "version": "0.4.5"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 0
+}