Merge pull request #115 from ivanlanin/develop

Reorganize samples and write unsupported element to ODText and RTF
Merge pull request #122 from ivanlanin/develop

Allow adding MemoryImage using URL
Code formatting for camel case and optional arguments
MS Word report corrupted DOCX when there's more than 1 section and footnote applied not on the first section. OO is fine.
Bug source: [Content-Types].xml entry is different with document.xml.rels
Final fix that satisfies both MS Word and OpenOffice
Merge pull request #125 from ivanlanin/msword-footnote-fix

MS Word footnote fix
Merge branch 'develop' into camelcase
Removing underscore from private names on Writer folder

- @codeCoverageIgnore for HashTable and ZipStreamWrapper
- Change copyright year for Row classes