v2.5.1
tools: update the .gitignore
tools: remove static flag from the build
api: Add support for SCMP_ACT_KILL_PROCESS
check-syntax: ignore the gperf auto generated files
tools: add a new tool to detect the current API level
all: update my email address
arch: Add RISC-V 64-bit support
tools,tests: fixup errno handling to be more consistent
all: fix all the outstanding lgtm.com alerts