adds more documentation

Author: bastibe

README.md

@@ -42,3 +42,14 @@ Code Analysis for ugly_code.m
 A report like this will be printed for every function in the file, for script-files, and for classes. The more serious of these comments will be highlighted in red, whereas less important ones will stay black. Every line number is clickable and opens directly in the editor.
 
 Additionally, this comes with a settings file `check_settings.m`, which can change the thresholds on all warnings, and even enable or disable whole categories of warnings entirely.
+
+Contributing
+------------
+
+While this file works well for our current applications, it is a complex piece of software, and it has not been thoroughly tested yet. If you find a bug, or would like to see a new feature, or would like to contribute a new feature, please feel free to open an issue or pull request.
+
+However, this is not my job, and I can not guarantee an immediate response, or support for every problem. That said, the code is available under the terms of the BSD 3-clause license, so feel free to use it however you like as long as you honor my authorship of it.
+
+Also, please bear in mind that all of the warnings generated by this program are just that: Warnings. They are *not* laws. If a slightly longer line improves readability, please *do not* make it shorter just to make the style analyzer happy. Please watch [this video](https://www.youtube.com/watch?v=wf-BqAjZb8M) for some context. 
+
+And finally, while this style checker can find many issues, it is by no means perfect. It can not comment on whether your variable names are good or not, whether your comments are out of date or not, or whether your code makes intuitive sense when reading, or just results in confusion. For more in-depth heuristics on how to improve these aspects of your code, pleas read the wonderful [MATLAB Style Guidelines 1.0](http://mathworks.com/matlabcentral/fileexchange/46056-matlab-style-guidelines-2-0).

analyze_file.m

@@ -16,6 +16,9 @@
 %           'Class', or 'Script'.
 %   - filename: the FILENAME.
 
+% (c) 2016, Bastian Bechtold
+% This code is licensed under the terms of the BSD 3-clause license
+
     beginnings = {'for' 'parfor' 'while' 'if' 'switch' 'classdef' ...
                   'events' 'properties' 'enumeration' 'methods' ...
                   'function'};

check.m

@@ -33,6 +33,8 @@ function check(filename)
 %   - no spaces around some operators
 %   - use of dangerous functions like eval
 
+% (c) 2016, Bastian Bechtold
+% This code is licensed under the terms of the BSD 3-clause license
 
     [requiredFiles, requiredProducts] = ...
         matlab.codetools.requiredFilesAndProducts(filename);