Merge pull request #46 from d-j-a-y/master

Keyframe Dock, when hit JMP column title , an assert was fired.
Fix several warnings in Windows build of type:
redeclared without dllimport attribute: previous dllimport ignored [-Wattributes]
Add the "subdir-objects" automake option to fix a warning issued by automake 1.14.
automake-1.14: warning: possible forward-incompatibility.
automake-1.14: At least a source file is in a subdirectory, but the 'subdir-objects'
automake-1.14: automake option hasn't been enabled.  For now, the corresponding output
automake-1.14: object file(s) will be placed in the top-level directory.  However,
automake-1.14: this behaviour will change in future Automake versions: they will
automake-1.14: unconditionally cause object files to be placed in the same subdirectory
automake-1.14: of the corresponding sources.
automake-1.14: You are advised to start using 'subdir-objects' option throughout your
automake-1.14: project, to avoid future incompatibilities.
Ignore generated files produced by previous commit.
Merge pull request #47 from genete/subdir-objects

Fix several configure and compile warnings.
Add the user THREADS option to the make command to speed up running script when possible.
Simple implementation of "Fit image" action
Don't suggest to fit animated layers
Show error message when you try to fit animated layers
Keep image proportions while fitting
Merge pull request #49 from blackwarthog/fit-image-action

Fit image action
Add missing definition of supports_file_system_wrapper variable for EXR importer. Compile failed with EXR  enabled.
temporary fix. in future we should to change type of return value of
method clone() to ValueNode::Handle
Little fix
typo
Merge pull request #53 from blackwarthog/fix-bug-with-random-modifier

Fix bug #482
462 (Enhancement) - UI : "Save" and "Save As" in ToolBox FileMenu
http://www.synfig.org/issues/thebuggenie/synfig/issues/462