Automagic version 2.5

This is an updated version with minor improvements:

• Option for temporary filter for ICA
• Implemented firws() to design customized filters
• Implemented ZapLine (to exclude line noise)
• Improved data visualization
• preselection of data (trimming based on time or events)
• Email notification when preprocessing finished
• Exclude files with small files sizes (e.g. < 1Mb)