More tidying up, added category to invoices, invoice delete now deletes invoice, pyaments, history and items associated with invoice. Exclude Cancelled invoice under dashboard income recieveables

vendor/otphp-10.0/.github/CONTRIBUTING.md

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+# Contributing
+
+First of all, **thank you** for contributing.
+
+Bugs or feature requests can be posted online on the GitHub issues section of the project.
+
+Few rules to ease code reviews and merges:
+
+- You MUST follow the [PSR-1](http://www.php-fig.org/psr/psr-1/), [PSR-2](http://www.php-fig.org/psr/psr-2/) and [PSR-4](http://www.php-fig.org/psr/psr-4/) coding standards.
+- You MUST run the test suite.
+- You MUST write (or update) unit tests when bugs are fixed or features are added.
+- You SHOULD write documentation.
+
+We use [Git-Flow](http://jeffkreeftmeijer.com/2010/why-arent-you-using-git-flow/) to automate our git branching workflow.
+
+To contribute use [Pull Requests](https://help.github.com/articles/using-pull-requests), please, write commit messages that make sense, and rebase your branch before submitting your PR.
+
+May be asked to squash your commits too. This is used to "clean" your Pull Request before merging it, avoiding commits such as fix tests, fix 2, fix 3, etc.
+
+Run test suite
+------------
+
+* install composer: `curl -s http://getcomposer.org/installer | php`
+* install dependencies: `php composer.phar install`
+* run tests: `vendor/bin/phpunit`

vendor/otphp-10.0/.github/ISSUE_TEMPLATE.md

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+| Q                    | A
+| -------------------- | -----
+| Bug report?          | yes/no
+| Feature request?     | yes/no
+| BC Break report?     | yes/no
+| RFC? / Specification | yes/no
+| Library version      | x.y(.z)
+
+<!--
+Fill in this template according to your issue.
+Otherwise, replace this comment by the description of your issue.
+
+Please consider the following requirements
+* You MUST never send security issues here. If you think that your issue is a security one then contact Spomky in private at https://gitter.im/Spomky/
+* You should not post many lines of source code or console logs. Small inputs (approx 5 lines) are acceptable otherwize you should use a third party service (e.g. Pastebin, Chop...).
+-->

vendor/otphp-10.0/.github/PULL_REQUEST_TEMPLATE.md

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+| Q             | A
+| ------------- | ---
+| Branch?       | master
+| Bug fix?      | yes/no
+| New feature?  | yes/no
+| BC breaks?    | yes/no
+| Deprecations? | yes/no
+| Tests pass?   | yes/no
+| Fixed tickets | #... <!-- #-prefixed issue number(s), if any -->
+| License       | MIT
+| Tests added   |  <!--highly recommended for new features-->
+| Doc PR        |  <!--highly recommended for new features-->
+
+<!--
+Fill in this template according to the PR you're about to submit.
+Replace this comment by a description of what your PR is solving.
+
+Please consider the following requirement:
+* Modification of existing tests should be avoided unless deemed necessary.
+* You MUST never open a PR related to a security issue. Contact Spomky in private at https://gitter.im/Spomky/
+-->