Assets 2

update to crystal 0.26.0 (#939) @drujensen
Disallow nils for configuration context/skip/filter settings (#937) @Sija
Remove outdated .ameba.yml (#935) @Sija
Update ameba to v0.8.0 (#933) @Sija
Run crystal tool format check on CI (#934) @Sija
Use Hash composition over inheritance in SessionHash and FlashStore (#930) @Sija
Fix remaining issues with Crystal 0.26.0 (#931) @Sija
Added Logger#color and associated tests (#926) @noahlh
Update to crystal 0.26 (#929) @robacarp
Fixed incompbility with the new version of crystal (#910) @kolyaio
Fix class capitalization in _form template (#913)
Fix typo in application.cr.ecr (#912) @ZeroPointEnergy
Adds support for flash[:name]? and flash.fetch(default = '') (#897) @shobhitic
Revert "[Responders] Overloads json method (#898)" (#901) @eliasjpr
[Responders] Overloads json method (#898) @eliasjpr
Closing the container div for application.ecr template. (#894) @shobhitic
Render calls without parenthesis in scaffolds (#893) @shobhitic
[Spec] Removes Extra Build Spec (#888) @eliasjpr
Removes .not_nil! from Crecto Template (#889) @eliasjpr
[Cleanup] Cleans Controller Scaffold (#852) @eliasjpr