ElegantBook v3.10

Main work:

• Introduce math for math font, optional styles are newtx and cm.
  • Notice: The math font newtxmath in previous versions is reset to default math font, to keep previous math font, please declare math=newtx.
• Introduce chinesefont option, with founder, ctexfont and nofont available.
• Turn author information on the cover optional and add customized command \bioinfo.
• Add version history with command \datechange and environment change.
• Add Chinese chapter style scheme with option chinese.
• Since the bug raised by \lvert is fixed, exchange package positions of ctex and amsmath.
• Drop \lastpage from header to avoid page anchor bug and adding \frontmatter.
• Revise bibliography option cite with optional styles numbers,authoryear and super.
• Introduce bibliography style option bibstyle, with default bib style apalike for English mode and gbt7714 package for Chinese mode.