Pyexcel-ezodf

* Alpha version
* can open tables with many repeated rows/cols, 3 opening strategies are supported
* tested: on Win7/Ubuntu 32-Bit with CPython 2.7 and CPython 3.2

* Alpha version
* tested: on Windows7 32 Bit with CPython 2.7 and CPython 3.2

* Alpha version
* Spreadsheet: added cell-span management
* tested with Python 3.2 - OK
* added tobytes() method to all document classes
* opendoc() accept the zip-file content as 'bytes' instead of the filename
as parameter 'filename'
* newdoc() accept the zip-file content as 'bytes' instead of the filename
as parameter 'template'

* Alpha version
* added basic spreadsheet support
* Spreadsheet: added sheet, row, column and cell management

* Alpha version
* create new empty odt, ods, odp, odg file
* added template support - can create ott, ots, otp, otg files
* open documents - ezodf.opendoc(filename)
* create new documents - ezdof.newdoc(doctype, filename, template)
* Text: added Paragraph, Heading, Span, Hyperlink, List, Section objects

* Pre-Alpha version
* open/saveas ODF documents
* modify meta data