Merge branch 'master' into workshop
File parameters: don’t reload automatically when the file changes on
disk, instead warn the user on the viewer and let him press the reload
button, to avoid crashs.
The notification system can be deactivated in the preferences
Small bug fix
Fix a bug where timeline left right arrows wouldn’t work when mouse was
over a qtabwidget

update changelog
File dialog: correctly update size of the look-in combobox
Fix a bug in aborted() where we were checking time against the global
timeline but the file dialog’s viewer uses a separate timeline.
The bug of serialisation introduced in RC3 was in fact introduced
during RC2 & 3
The RC2 or RC3 flag must be caught before deserialiazing data, hence by
parsing the file. Only do this for Natron 1.0.0
Set empty dim labels if plug-in wants them empty.
AppManager: work with non-UTF-8 systems too
Merge branch 'workshop' of https://github.com/MrKepzie/Natron into workshop
Do it also for doubles/ints
Merge branch 'workshop' of github.com:MrKepzie/Natron into workshop
Don’t append ‘:’ if string empty
Sliders: set size policy to expanding for parameters
Enable support for separators
Separators are not persistent
Use QGridLayout instead of QFormLayout for parameters
bug fix in settings when cancelling
Cache: don’t allocate images before calling recursions on input images