Log Message:
Update libetonyek to 0.1.6:

libetonyek 0.1.6

- All formats:
  + Improved handling of text language, e.g., written language props now
    include country and script.
- Keynote 6:
  + Parse links.
  + Parse text language.
  + Parse lists (bullets).
  + Resize tables properly.
  + Fix handling of texts containing non-ASCII characters (i.e., the
    majority of non-English languages).
- Miscellaneous:
  + Fix build with boost 1.54/1.55.
  + Make help output of conversion tools more help2man-friendly.
  + Fix build with recent clang, which does not like 'register' keyword.
  + Various small fixes and improvements.

libetonyek 0.1.5

- Parse slide background.
- Parse shape style: fill, line stroke, opacity, shadow.
- Parse table style: default cell borders, background etc.
- Various fixes and improvements.

libetonyek 0.1.4

- Parse formulas.
- Parse cell type and number format.
- Require mdds 1.0 by default (but 0.12.1 is still supported).
- Add support for Keynote 6. Imported features include: shapes, images,
  text + text formatting, presentation notes, tables (only simple tables
  are supported.)

libetonyek 0.1.3

- Common:
  + Import more text formatting properties.
  + Correctly interpret properties set by paragraph style, but turned
    off in character style.
  + Import paragraph borders.
  + Import metadata.
  + Collect styles and other referenceable entities even from skipped
    parts of the input.
  + Fix a typo that caused shapes being dropped from output.
  + Import table borders.
  + Add dependency on mdds.
  + Various small bugfixes and improvements.
- Pages:
  + Import headers and footers.
  + Import footnotes and endnotes.
  + Import images.
  + Import shapes.
  + Import text columns.
  + Accept documents created by Pages 1-3.
- Numbers:
  + Accept documents created by Numbers 1.

libetonyek 0.1.2

- Use symbol visibility on Linux. The library only exports the two public
  functions now.
- Refactor the parser to allow sharing of code among Keynote, Pages and
  Numbers parsers.
- Add initial support for Pages (v. 4 only): text and text formatting,
  tables.
- Parse text language.
- Parse links.
- Fix parsing of tab stops.
- Add dependency on glm.
- Add initial support for Numbers (v. 2 only): sheets and cell content.
- Fix parsing of simple cell text content, which was ignored previously.
- Various small bugfixes and improvements.