Remove outdated mint prefix from variables

Changes:

• remove outdated mint prefix from variables

Update of readme

Changes:

• Update of readme according to prefix change
• update prefix in rwd helper

Renaming of components

Changes:

• mint- prefix has been replaced by sg- prefix

Add flash messages component

v32.1.0

32.1.0

v32.0.0

Update icon sizes
Update avatar modifiers

v31.0.0

Remove mint-box--small-border add mint-box--small-padding

v30.1.0

Fixes #613 (Fix text wrapping in mint-menu-list__link)
Fixes #666 (Add mint-toplayer--fill)
Fixes #608 (Add option for mint list icon to be aligned to first line of text)

v30.0.0

Fixes #416 (mint-input--low should be mint-input--short )
Fixes #434 (Make mint-popup-menu responsive by default)

1px borders

All borders were changed to 1px.

v29.0.0

Fixes #456
Remove margin bottom from mint-header-primary