v4.4.0: Merge pull request #124 from jemu75/dev-v4

Core

• add replacer %r for replacing values
• new parameter diff for replacer %d to show timedifferences

Panel

• add options expanded and collapsed for parameter show in mainlevels

Panel Menu

• replace underlines with spaces in case of getting values from lightscene

Panel Textfield (experimental feature!)

• new main Element for input values and send to FHEM