Merge pull request #177 from PHPOffice/develop

Version 0.9.0
Proposed simplified docblock
Update README.md

Change link to RTD.
Fix psr-4 base dir in composer.json
Updated change log
Moved the autoloader in the basic usage to the installation section in the read me
Update Base.php

added tblGrid element so that LibreOffice and OpenOffice can size the tables columns properly
Merge remote-tracking branch 'upstream/develop' into simplified-docblock
Simplify all classes docblock
Merge pull request #179 from ivanlanin/simplified-docblock

Simplify/add page level docblocks
Get image dimensions without EXIF extension

Use `getimagesize` when `exif_imagetype` doesn't exist.
Merge branch 'master' of https://github.com/gianis6/PHPWord into gianis6-master
Merge pull request #184 from andrew-kzoo/fix-exif-imagetype

Get image dimensions without EXIF extension