.htaccess

# ----------------------------------------------------------------------
# Start rewrite engine
# ----------------------------------------------------------------------

# Turning on the rewrite engine is necessary for the following rules and features.
# FollowSymLinks must be enabled for this to work.

<IfModule mod_rewrite.c>
  Options +FollowSymlinks -Indexes
  RewriteEngine On

  # If you installed this in a subfolder, you will need to
  # change the following line to match the subfolder you need.
  # http://httpd.apache.org/docs/current/mod/mod_rewrite.html#rewritebase
  RewriteBase /

  # Removes access to the system folder by users.
  # Additionally this will allow you to create a System.php controller,
  # previously this would not have been possible.
  # 'system' can be replaced if you have renamed your system folder.
  RewriteCond %{REQUEST_URI} ^system.*
  RewriteRule ^(.*)$ /index.php?/$1 [L]
</IfModule>

# Rewrite "www.example.com -> example.com"

<IfModule mod_rewrite.c>
  RewriteCond %{HTTPS} !=on
  RewriteCond %{HTTP_HOST} ^www\.(.+)$ [NC]
  RewriteRule ^ http://%1%{REQUEST_URI} [R=301,L]
</IfModule>


#Checks to see if the user is attempting to access a valid file,
#such as an image or css document, if this isn't true it sends the
#request to index.php

<IfModule mod_rewrite.c>
    RewriteCond %{REQUEST_FILENAME} !-f
    RewriteCond %{REQUEST_FILENAME} !-d
    RewriteRule ^(.*)$ index.php?/$1 [L]
</IfModule>

# Block access to "hidden" directories whose names begin with a period. This
# includes directories used by version control systems such as Subversion or Git.
<IfModule mod_rewrite.c>
  RewriteCond %{SCRIPT_FILENAME} -d
  RewriteCond %{SCRIPT_FILENAME} -f
  RewriteRule "(^|/)\." - [F]
</IfModule>

# If we don't have mod_rewrite installed, all 404's
# can be sent to index.php, and everything works as normal.
<IfModule !mod_rewrite.c>
    ErrorDocument 404 index.php
</IfModule>

# ----------------------------------------------------------------------
# UTF-8 encoding
# ----------------------------------------------------------------------

# Use UTF-8 encoding for anything served text/plain or text/html
AddDefaultCharset utf-8

# Force UTF-8 for a number of file formats
AddCharset utf-8 .css .js .xml .json .rss .atom