Add mining yield view

Add a panel for displaying the mining yield. Display miner and drone
yield. Only create the frontend in this commit.
Calculate mining yields for module/drone

Following the weaponStats paradigm, add mining yield information
throughout the drone/module modules
Use a button to toggle between firepower/miningyield

Introduce a button on both firepowerViewFull and miningyieldViewFull
views that allows switching between the two. Work by destroying each
view and recreating/populating on every button press.
Mention cnc as founder in about window
Fix one of the red giant duration heat effects
Bump version info
Bump version number for dev release
Fixes #118
Resolves #117
Fix blank lines in damage types import

If the text variable contains blank lines like for example ending with a
newline character or having two consecutive newline characters the
fields dict is empty and DamagePattern fails with an Exception.

This closes #124
Instead of passing fitID to export service, pass the fit itself. Fixes #122
Bump version
Bump to dev version
Use # charges instead of # shots when exporting loaded charges. Fixes #115
Use small icon with mining yield / firepower toggle button
Merge branch 'akosiaris_miningyeild'
Fix subsystem exports, resolves #130
Merge pull request #125 from akosiaris/damagetypesimport_blankline_fix

Fix blank lines in damage types import
Fix mistype in heron name and paste proper iteron V name
Fix #141 - Triage stacking not applying to shield boosts