Issue #512: Add import hook for OpenCV
Allow user to override buildin hooks
Improve babel support on windows
* global.dat was missing
Merge pull request #90 from overlordtm/user-hooks

Allow user to override buildin hooks
Merge pull request #88 from kouk/freebsd

Freebsd support redux.
Merge pull request #89 from overlordtm/hook-babel

Improve babel support on windows.
Pick qt_menu.nib from user-specified QTDIR environment variable
Merge pull request #91 from lvillani/feature/pick-qt-menu-nib-from-qtdir-env

Pick qt_menu.nib from user-specified QTDIR environment variable.
Add hook for countrycode
Merge pull request #93 from glennra/develop

Add hook for countrycode
Add printsupport to plugins
Merge branch 'develop' of github.com:glennra/pyinstaller into develop
Add: An optional Boolean flag to collect_data_files to allow collection of .py
       files, for use with programs that inspect the filesystem to find the names
       of modules to import.
Add: A hook which includes markdown's hidden extensions imports.
Clarify adding and accessing data files.
Merge pull request #94 from glennra/develop

Add printsupport to Qt5 plugins
Merge pull request #96 from tallforasmurf/develop

Clarify adding and accessing data files.
Docs: PEP8 cleanup.
      Added documentation for additional parameter.
Per user suggestion put overview of data file access in the prologue, and change "frozen" to "bundled" in most places.
Add: Test for the markdown hook.