Update atcommands.txt

@newmount => @mount2
Changed set_reg behavior on pc_setparam failure, now it won't simply END the script, if
a dialog window is open it'll also CLOSE it.
Corrected Zeny formula in THQS
Merge pull request #281 from Geniks/patch-1

Update atcommands.txt
Travis improvements

- Parallelized pre-re and re tests
- Added mapserver and script engine tests: this means that travis will
  detect parse errors in scripts as well as the source now)

Signed-off-by: Haru <haru@dotalux.com>