Fix undefined behavior issue
send back an error if there's an encryption failure
Several typos in README_RU.md
Redundant route should constitute an error.
Discover nodes when they send you packets.
Added SessionManager_sessionStats()
Prevent startup is cjdns is already running. Closes #317.

Before startup, it tries to ping existing cjdns instance. If ping
succeeds, cjdroute refuses to start.
Better names for ping-related variables.
Added sessionStats python script, fixed SessionManager_getHandles() to report correct handle numbers.
Merge branch 'startup-check' of https://github.com/m1kc/cjdns into next
fixed a crash-on-start bug caused by a leftover UDP socket.
added parameter to allow changing timeout for adminClient, set timeouf to 100ms for checking if cjdns is active already.
Merge pull request #342 from devdd/patch-1

Several typos in README_RU.md
Fix typos in Russian Readme.
Added ARM NEON build
2 minor fixups for NEON build
Updated CNaCl build to fix ARM NEON issue
further NEON cleanup
Remove `make` from building instructions.

Ref #343
Allocator should not disconnect until freeing is complete. This will improve performance of freeing operation.