fix(achievements): Tweak wording for Streaker

Updated the Streaker achievement modal text to be more appropriate given the fact it now only appears the first time it's attained.
fix(abilities): Correct crits and desc for Smash

Change the critical hit stat for Brutal Smash to use STR instead of PER, and update description for completeness/accuracy.
chore(grunt): grunt
fix(abilities): Correct crits, desc for Flames

Clarifies mechanics of Burst of Flames, and changes crittable spells to use the secondary stat for the class in question.
feat(spring): back to normal npcs
feat(may): may mystery box
feat(spring): take egg hunt quest out of the market
chore(i18n) add notice about translations
chore(i18n:): implement i18n module, start moving content to locales/en/content.json, recompile
improve(i18n): add locales for content.json, add code for server to i18n, build
chore(i18n): remove content.json locales for now
chore(i18n): move all the weapons to content.json and update README.md
chore(i18n): move armor items to content.json
chore(i18n): start moving attributes values to interpolation
chore(i18n): move attributes values to interpolation
chore(i18n): move head items to strings
improve(i18n): move gear strings to gear.json, recompile
improve(i18n): move potion to strings, add content.json for generic content
fix(i18n): remove duplicate strings
fix(i18n): remove duplicate strings