Remove icon paths from runningScriptsWidget.ui

These icon paths are already set programmatically.
Add hifi:// clickable links to chat

The handling also needed to be updated to handle domains correctly -
just routing to goToURL instead of gTo fixes this.
Fix bug with mirror settings not initialized
Merge pull request #2825 from PhilipRosedale/master

Fix bug with mirror settings not initialized
Merge pull request #2826 from ey6es/master

Fix for scripts' not correctly removing/reattaching on restart, don't render head attachments in first person mode.
Updated guitar with more chords, key triggers
Merge pull request #2827 from PhilipRosedale/master

Updated guitar with more chords, key triggers
Fix for: #19626 - Fix the Windows 7 crash

The image data for glTexImage2D is size=width x height without any borders. So there must be a border of 0 given when calling glTexImage2D, otherwise there is not enough image data causing crashes when textures get loaded.

The effect occurs reproducible on Win7 with ATI cards. Maybe their OpenGL-Implementation is less robust ...
Merge pull request #2829 from talentraspel/19626

Fix for: #19626 - Fix the Windows 7 crash
Merge pull request #2830 from huffman/19645

Code Review for Job #19645
Merge pull request #2831 from huffman/fix-ui-images

#19647 Fix missing file warning
Merge branch 'master' of https://github.com/highfidelity/hifi