Plan B - v0.6.3 build 635

Plan B - v0.6.3 build 635

Improvements:

• Modified item categories: Industry(extractors/factory/assembly plant/depots), Advanced Industry, Transports, etc.
• Add Spanish translation

Balance:

• set speeds buttons to x2.5 and x5

Bugs fix:

• remove some bad translation in tutorial (from modified texts, so they are in english for now)
• Fix bug on day counting in high speed (might improve perfs on games with water maybe)

Minor:

• english text fix (thanks Jenkachu!)