Release 1.4.0

Fixes:

• Shield Cell Bank ammo count updated (Thanks to @sf302)
• Corrected Thruster selection and warnings

Improvements:

• Minor UI Tweaks
• Add per-slot total SCB capacity in MJ (Thanks to @sf302)
• 'Low-weight' build button replaced with drastically improved 'Optimize Weight' build button
• Warn/highlight Power Plants with insufficient power for current build (Thanks to @sf302)

New Features:

• A-Rated build button (Thanks to @sf302)
• Import builds from E:D Shipyard export