update NEWS
update NEWS

- add some 1.2 bugfixes and fatures
- remove bugfixes backported to 1.1 patch release

JanMarvin/rstudio,JanMarvin/rstudio,JanMarvin/rstudio,JanMarvin/rstudio,JanMarvin/rstudio,JanMarvin/rstudio,JanMarvin/rstudio,JanMarvin/rstudio,JanMarvin/rstudio