Clean warnings in v2

Question 1

Question 2

cleaned most (but not all yet)

Answer · 2015-10-30T20:20:52.000Z

cleaned most (but not all yet)

Question 3

clang still issues a lot of warnings that gcc does not have

Answer · 2015-11-08T16:46:24.000Z

clang still issues a lot of warnings that gcc does not have

Question 4

Has been done recently, thanks to @kosloot

Answer · 2017-03-14T12:37:49.000Z

Has been done recently, thanks to @kosloot