Avoid crashing

Fix crash issue

Fix more crash bugs in the freehand drawing tool

Don't crash

Fix warnings

Merge branch 'master' of github.com:johanmattssonm/birdfont

Fix path boundaries in freehand tool

Merge branch '2.x' of github.com:johanmattssonm/birdfont into 2.x

Fix compiler warnings

Merge branch '2.x' of github.com:johanmattssonm/birdfont into 2.x

Fix build errors

Merge ../birdfont-2.x

New freehand tool and updates to quadratic editing

Merge branch 'master' of github.com:johanmattssonm/birdfont

Use libsvgbird for drawing in libbirdfont

Rename FastPath to PathObject

Set handle position in freehand tool

Use other types of graphical objects

The previous version uses only simple paths this commit makes it possible to
add other objects like circles, rectangles and text. The refactoring
is the first part of the full SVG implementation.

White space fixes

Draw filled open paths
This commit moves recalculate_linear_handles to the Path class in order
to set handle position for end points.

Revert "Replace the list implementation"

This reverts commit 0adae802c16b3eb48db79633ab068a6ab008224e.

It introduced a number of new bugs and was slower than the list
implementation.

Replace the list implementation
This commit removes the next and prev references from EditPoint

Merge branch 'master' of github.com:johanmattssonm/birdfont

Conflicts:
	install.py

Replace path list with layers

Merge branch 'master' of https://github.com/johanmattssonm/birdfont