Added forks support on the semantic tree level.
Forks generation made working in case of cycled forking
Added forks call generation for nxt OSEK
Added nxtOSEK tasks code generation
Added .oil file code generation for multitask nxtOSEK program
Merge branch 'master' of github.com:qreal/qreal into forks
NxtOSEK forks generator made working
Fixed encoding problems in russianC generator
Merge pull request #1319 from dvvrd/forks

Forks support for NxtOSEK mode