updated dropbox authorization call for latest SDK support

update to latest Dropbox SDK

keeping the dream alive

- fixed bug that caused blocks to be drawn when tapping controls

-- fixed Dropbox import bug and OBJ export bug -- added Top/Front/Side/Last camera view buttons

- Fix for iPhone 6/7 touch problem - new Dropbox API support -- please let us know if you encounter any problems!

Note: This could be the last version to support iOS 7 and earlier. The newest XCode only supports iOS 8 and above. - Fixed touch bug for iPhone 7 and 6S models.

- iOS9 compatibility

- updated for iOS8 and iPhone 6/6+ - added new materials menu (brass, silver, aluminide, ...) to 3D printing options

-iOS 7 compatibility

- fixed splash screen for portrait mode - other bug fixes

- movie export! To Dropbox or Photo Gallery - fixed export of sprite layers - new text format export and Qubicle format export - bug fixes

- bug fixes

- runs natively on iPhone 5 screen - adjusted print parameters - fixed OBJ export

- bug fixes and UI improvements Previous updates ======================= 1.7.2 - duplicate layers - reorder layers and scroll list - twitter integration - tweaked default light position - remember print size -bug fixes and UI improvements 1.7.1 - 3D Printing! Order multicolored plastic prints of your models from Sculpteo.com. - Hand Tool. Move voxels easily -- no more delete and re-add for out-of-place voxels! Also very good for animation. - full support for Layers - improved animation tools. - Sticky toolbar. Option to leave toolbar extended -- less tapping! - Import / Export from Dropbox, including .binvox files for Minecraft editing.

- duplicate layers - reorder layers and scroll list - twitter integration - tweaked default light position - remember print size -bug fixes and UI improvements

- print size remembered for each file - improved trackball rotation -- in previous 1.7update ---- - Make 3D plastic prints of your models! - Hand tool - Layers and new animation interface - sticky toolbar - all-around interface improvements

NEW in this version: - 3D Printing! Order multicolored plastic prints of your models from Sculpteo.com. - Hand Tool. Move voxels easily -- no more delete and re-add for out-of-place voxels! Also very good for animation. - full support for Layers - improved animation tools. - Sticky toolbar. Option to leave toolbar extended -- less tapping! - Import / Export from Dropbox, including .binvox files for Minecraft editing.

- fixed photo library bug AGAIN - fixed bugs when using sprite tools, copying and pasting between the model and a sprite - fixed OBJ export of large objects

- fix for OBJ export of large objects - fix for export of sprites to OBJ - fixed 3MP export option

- optimized file menu for handling many files - fixed OS 4.3 bug with photo library imports - support for OBJ sprite export - OBJ export with each sprite as a group

SPRITE animation! Create multiple voxel flipbook objects within your model. new in the previous version: MOVIE TOOL! Owners of the full version of Voxel can script animated camera fly-bys of their models. Export frame sequences to the device or to a Dropbox account.

- MOVIE TOOL! Owners of the full version of Voxel can script animated camera fly-bys of their models. Export frame sequences to the device or to a Dropbox account.

VERSION 1.5 - overhauled graphics engine for much faster graphics and interaction, especially on large models - new online gallery allows interactive 3d viewing of models - new eyedropper tool allows for nonsquare area selection - over 4 times as many palette colors for iPad users - bug fixes New Features from version 1.4: - new multi-function toolbar - paintbrush tool for recoloring voxels - flood fill tool to change colors or fill planes - '++' tool makes it easy to add many voxels at once - selection tool for copy/paste, rotate and flip operations - light control tool for changing light source position and color - support for translucent voxels - new 'connected' display for seamless models - Facebook connectivity! publish photos of your models to your FB account and the new Voxel page. - improved palette makes it easier to pick and copy colors - palette now saves - selected box displayed with wireframe outline - import PNG files to turn images into voxels - OBJ export of connected models for use in 3DS max - import/export of Paint3d .3mp format - improved rotation controls

- fix for mysterious '.dat' files in file browser