Update changelog for 7.0

CHANGELOG.md

@@ -2,12 +2,66 @@
 
 All notable changes to this project will be documented in this file.
 This project adheres *in spirit* to [Semantic Versioning](http://semver.org/):
-- "MAJOR" updates correspond to changing the topics studied
-- "MINOR" updates correspond to fulfilling a topical requirement using a different class
-- "PATCH" updates correspond to purely aesthetic and non-essential additions/removals
+- "MAJOR" updates correspond to changing the topics studied within a subject
+- "MINOR" updates correspond to changing courses without changing the topics
+- "PATCH" updates correspond to aesthetic and non-essential additions/removals or changing order of classes for better progression
 
-## [7.0] 2017-03-05
-TODO
+## [7.0] 2017-03-09
+Complete overhaul of program structure
+
+### Updated
+- Clarified contributor guidelines and moved them to separated file
+- Switched from many subjects to just four subjects with many topics
+- Consolidated free-books.md and paid-books.md into readings.md
+- Consolidated free-courses.md and paid-courses.md into courses.md
+- Replace old "How to Code" with new "How to Code" (Software Development MicroMasters)
+- Replace Princeton Algorithms (moved to [alternative courses](#extras/courses.md)) with Stanford Algorithms
+
+### Added
+- Indicate prerequisites for all courses
+- Requirements: subject/topic requirements and project requirements
+- Required readings on Haskell, Prolog, Operating Systems
+- Courses: Dan Grossman's Programming Languages
+- Courses: From Nand to Tetris
+- Elective course: Intro to Parallel Programming
+- Elective course: LAFF: Programming for Correctness
+- Elective course: Introduction to Mathematical Thinking
+- Elective courses: Electricity and Magnetism
+- Elective courses: MIT's Computation Structures
+- Elective course: Multivariable Calculus
+- Elective course: ops-class.org
+- Elective course: Automata Theory
+- Elective course: Introduction to Logic
+- Elective course: Computational Geometry
+- Elective course: Formal Concept Analysis
+- Elective course: Game Theory
+- Elective specializations:
+  - Robotics
+  - Data Minig
+  - Big Data
+  - Internet of Things
+  - Cloud Computing
+  - Full Stack Web Development
+  - Data Science
+- Pro specializations:
+  - Mastering Software Development in R
+  - Artificial Intelligence Engineer
+  - Machine Learning Engineer
+  - Cybersecurity
+  - Android Developer
+
+### Removed
+- Removed many dead links and obsolete courses
+- Removed per-course project requirement
+- Course: Object-Oriented Programming in Java
+- Course: Funtional Programming in Scala
+- Course: Computer Architecture (but left as a footnote)
+- Course: Intro to Theoretical Computer Science
+- Course: Software Processes and Agile Practices
+- Course: Operating Systems & System Programming
+- Course: Introduction to Cyber Security
+- Course: Parallel Computer Architecture and Programming
+- Course: UX Design for Mobile Developers
 
 ## [6.0] 2016-10-09
 ### Updated

REQUIREMENTS.md

@@ -1,6 +1,6 @@
 # OSSU Academic Requirements
 
-This document contains the subjects and projects the student must master to pass through this curriculum.
+This document contains the subjects (e.g. programming), topics (e.g. imperative programming), and projects the student must master to pass through this curriculum.
 The subject requirements are based on topics, rather than specific courses, because sometimes a certain course isn't available at the right time or doesn't fit the student's learning style.
 
 ## Subjects