Merge pull request #2 from Neozonz/feature-1

[OPTIMIZE] Cache all calls via memcached
[FEATURE] Notify dead logins via email notifications

#1
[UPDATE] Sample config for notify feature
Merge pull request #3 from Neozonz/feature-1

[UPDATE] Sample config for notify feature
Merge pull request #4 from Neozonz/develop

[MINOR] Changes in text and git ignore
another attempt at return block hash
debug output
debug output
log actual block hash if SOLUTION_BLOCK_HASH; else, log what's passed into on_submit_block
Merge branch 'returnblockhash' into develop
Merge pull request #5 from penner42/develop

Log actual block hash if settings.SOLUTION_BLOCK_HASH
[CLEAN] Code