Fix typo in SortingHat API fields

[jjmerchante]

This PR updates the name of the fields that are obtained from the SortingHat API. Previously the fields were gender_acc and is_bot but now are genderAcc and isBot.

Update tests accordingly.

[coveralls]

Pull Request Test Coverage Report for Build 4356334287

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 82.313%

---

Totals
Change from base Build 4165455125:	0.0%
Covered Lines:	9103
Relevant Lines:	11059

---

💛 - Coveralls