Improve documentation (#598, #1105)

 * rework/simplify server configuration/requirements pages (consolidate/simplify SSL/TLS/apache configuration)
 * update index.md introduction
 * remove external images (badges)
 * Fix COPYING link and documentation links
 * Update features list
 * dedpulicate information
 * remove server-requirements.md and move relevant doc to other files
 * TODO: rework nginx configuration (single configuration example, with commented out blocks for special cases)
 * TODO: consolidate download/install/configuration pages
 * remove blank lighttpd configuration section
 * remove Required? column for composer packages, all libraries are mandatory
 * php 7.2 compatibilty
 * clarify that certbot binary and paths may vary depending on install method

1 files changed, 0 insertions, 42 deletions

diff --git a/doc/md/Server-requirements.md b/doc/md/Server-requirements.md
deleted file mode 100644
index 2dc442df..00000000
--- a/doc/md/Server-requirements.md
+++ /dev/null
@@ -1,42 +0,0 @@
-## PHP
-
-### Release information
-- [PHP: Supported versions](http://php.net/supported-versions.php)
-- [PHP: Unsupported versions](http://php.net/eol.php) _(EOL - End Of Life)_
-- [PHP 7 Changelog](http://php.net/ChangeLog-7.php)
-- [PHP 5 Changelog](http://php.net/ChangeLog-5.php)
-- [PHP: Bugs](https://bugs.php.net/)
-
-### Supported versions
-Version | Status | Shaarli compatibility
-:---:|:---:|:---:
-7.1 | Supported (v0.9.x) | Yes
-7.0 | Supported | Yes
-5.6 | Supported | Yes
-5.5 | EOL: 2016-07-10 | Yes
-5.4 | EOL: 2015-09-14 | Yes (up to Shaarli 0.8.x)
-5.3 | EOL: 2014-08-14 | Yes (up to Shaarli 0.8.x)
-
-See also:
-
-- [Travis configuration](https://github.com/shaarli/Shaarli/blob/master/.travis.yml)
-
-### Dependency management
-Starting with Shaarli `v0.8.x`, [Composer](https://getcomposer.org/) is used to resolve,
-download and install third-party PHP dependencies.
-
-Library | Required? | Usage
----|:---:|---
-[`shaarli/netscape-bookmark-parser`](https://packagist.org/packages/shaarli/netscape-bookmark-parser) | All | Import bookmarks from Netscape files
-[`erusev/parsedown`](https://packagist.org/packages/erusev/parsedown) | All | Parse MarkDown syntax for the MarkDown plugin
-[`slim/slim`](https://packagist.org/packages/slim/slim) | All | Handle routes and middleware for the REST API
-
-### Extensions
-Extension | Required? | Usage
----|:---:|---
-[`openssl`](http://php.net/manual/en/book.openssl.php) | All | OpenSSL, HTTPS
-[`php-mbstring`](http://php.net/manual/en/book.mbstring.php) | CentOS, Fedora, RHEL, Windows, some hosting providers | multibyte (Unicode) string support
-[`php-gd`](http://php.net/manual/en/book.image.php) | optional | thumbnail resizing
-[`php-intl`](http://php.net/manual/en/book.intl.php) | optional | localized text sorting (e.g. `e->è->f`)
-[`php-curl`](http://php.net/manual/en/book.curl.php) | optional | using cURL for fetching webpages and thumbnails in a more robust way
-[`php-gettext`](http://php.net/manual/en/book.gettext.php) | optional | Use the translation system in gettext mode (faster)