Update bootstrap.php
Updated include paths for examples
Update build.xml
INDIRECT and OFFSET call to get worksheet rather than cell collection
Merge branch 'develop' of https://github.com/PHPOffice/PHPExcel into develop
Bulgarian localisation

Start translation to Bulgarian language.
Update 02-Loading-a-Spreadsheet.md
Update 10-Reading-and-Writing.md
Check whether margin-left is set in excel file when reading
Merge pull request #220 from JackStone123/patch-2

Update 10-Reading-and-Writing.md
Merge pull request #219 from JackStone123/patch-1

Update 02-Loading-a-Spreadsheet.md
Merge pull request #221 from nendrew/develop

Check whether margin-left is set in excel file when reading
Merge pull request #216 from nickypn/patch-1

Bulgarian localisation
Double quote support for SUMIF()

SUMIF() should handle double quotes properly in both criteria and
cells values. This is especially useful when we need to compare string
containing themselve double quote(s).
Excel compatibility mode for CSV Writer
Merge branch 'develop' of https://github.com/PHPOffice/PHPExcel into develop
Fixes to style duplication
General: (cdhutch) Work item 20055 - remove array_shift in ReferenceHelper::insertNewBefore improves column or row delete speed
Issue 19827 - Unknown codepage: 10008
Travis: test also against PHP 5.5