v0.2.0

• core: adding ability to disable creating widget symlinks (syzdek)
• core: updating copyright notices (syzdek)
• core: adding ability to change widget alias prefix at compile time (syzdek)
• syzdek: adding easter egg widget (syzdek)
• tail: allowing timeout to be modified via env variable TAILTIMEOUT (syzdek)
• usage: adding usage widget (syzdek)
• version: adding version widget (syzdek)
• zcat: fixing segfault with LXMA (.xz) and large files (syzdek)
• touch: adding touch widget (syzdek)
• pathcheck: adding ability to ignore mising files (syzdek)