ccnl: fix memory leak on CS error
Merge pull request #720 from mehlis/fix-leak-on-error

ccnl: fix memory leak on CS error
repace project by application in documentation
Merge pull request #677 from mehlis/project-application

replace project by application in documentation
Merge pull request #718 from Kijewski/issue-693

"Exterminate `} else {`"
Add toolchain script for x86
First x86-multiboot commit
Use i586 (Pentium) instead of i486 toolchain
Implement getcontext and setcontext
Interrupt handling should be working, now
Less magic numbers for UART
Implement PIC
'Implement' GDT and PIT, fix PIC
Add page table (no #PF handler, yet)
Dump
Page fault handler works now
Fix inISR() tracking
Add FPU support
Implement RTC
Fix thread_yield() bug (didn't restore EFLAGS.IF)