Merge pull request #96 from Zegeri/wip

Add chunk "repeated" and set down as default direction
Remove old definitions and normalize endian checking
Update README
Merge pull request #97 from fdelapena/master

Remove old definitions, normalize endian checking and update README
cmake: Readd definition
Rename: picture_scrolls -> fixed_to_map
Merge pull request #99 from Ghabry/development

Rename: picture_scrolls -> fixed_to_map
Merge pull request #98 from fdelapena/master

cmake: Readd definition
Convert encoding using ICU instead of iconv
Travis CI: add PPA for newer ICU with pkg-config support
Tests: link with ICU
Fix preprocessor indentation and restore missing iconv code
pkg-config: check for icu-i18n as required by ucsdet
ICU: Add an encoding detection function
pkg-config: remove redundant library definitions
Return string as-is from encoding converter if source encoding is not set yet
Refactor codepage encoding functions
Don't fail when setting windows numeric encodings from command line
Return encoding instead of codepage when getting encoding from locale
Fix ICU support on Windows and fix Korean support