v1.0.4 Release

Bug Fixes

• Fix a bug where glDeleteBuffer was being called on default frame buffer object - #190

Improvements

• Removes unncessary use of an extra Pixel Buffer Object in save frame buffer implementation - #190
• Improved colormap_impl class implementation.

Build Fixes and Modifications

• glad replaced glbinding as GL function loader - #191
• glm is no longer a dependency to be installed by user as it is a submodule in forge - #192
• A work around fix for Freetype::Freetype target on Ubuntu 16.04 - #193
• Rectified and cleaned up target exports, both build tree & install tree - #195
• Avoid attempting to install dlls on static builds on windows platform - #195
• Arial font is the default font rendered on Windows starting with this release.

From this release forward, release binaries are automatically generated by ci builds and uploaded to github release notes for new tags.