Improve the documentation for the PingService. Patch by Gary Rowe.
Improve the documentation for the PingService. Patch by Gary Rowe.

patricklodder/libdohj,DynamicCoinOrg/dmcJ,habibmasuro/smileycoinj,dexX7/bitcoinj,HashEngineering/groestlcoinj,MintcoinCommunity/mintcoinj,haxwell/bitcoinj,TheBlueMatt/bitcoinj,HashEngineering/quarkcoinj,stonecoldpat/bitcoinj,jife94/bitcoinj,stafur/trustpluscoinj,HashEngineering/dashj,kris-davison/non-working-darkcoinj-fork,HashEngineering/unobtaniumj,ohac/sha1coinj,akonring/bitcoinj_generous,lavajumper/bitcoinj-scrypt,VishalRao/bitcoinj,devrandom/bitcoinj,VegasCoin/vegascoinj,jife94/bitcoinj,langerhans/dogecoinj-alice,HashEngineering/namecoinj,HashEngineering/frankoj,kurtwalker/bitcoinj,TrustPlus/trustpluscoinj,DigiByte-Team/digibytej-alice,HashEngineering/namecoinj,sserrano44/bitcoinj-watcher-service,nikileshsa/bitcoinj,ahmedbodi/anycoinj,Coinomi/bitcoinj,HashEngineering/anycoinj,mrosseel/bitcoinj-old,keremhd/mintcoinj,HashEngineering/namecoinj,funkshelper/bitcoinj,HashEngineering/frankoj,MonetaryUnit/monetaryunitj,kris-davison/non-working-darkcoinj-fork,techsubodh/admin_tracker,HashEngineering/maxcoinj,stafur/trustpluscoinj,you21979/bitcoinj,HashEngineering/quarkcoinj,UberPay/bitcoinj,rnicoll/libdohj,HashEngineering/myriadcoinj,hank/litecoinj-new,stafur/trustpluscoinj,praus/multicoinj,GroestlCoin/groestlcoinj,kurtwalker/bitcoinj,bankonme/monetaryunitj,HashEngineering/digitalcoinj-mb,langerhans/bitcoinj-alice-hd,Crypto-Expert/digitalcoinj,habibmasuro/smileycoinj,bankonme/monetaryunitj,marctrem/bitcoinj,HashEngineering/unobtaniumj,techsubodh/admin_tracker,techsubodh/admin_tracker,HashEngineering/groestlcoinj,Coinomi/bitcoinj,framewr/bitcoinj,bitsquare/bitcoinj,jdojff/bitcoinj,habibmasuro/litecoinj,TheBlueMatt/bitcoinj,HashEngineering/dimecoinj,strawpay/bitcoinj,you21979/bitcoinj,meeh420/anoncoinj,patricklodder/bitcoinj,hank/feathercoinj,FTraian/bitcoinj-uc,HashEngineering/digitalcoinj,DigiByte-Team/digibytej-alice,yezune/darkcoinj,dldinternet/bitcoinj,therightwaystudio/fork_bitcoinj,monapu/monacoinj-multibit,greenaddress/bitcoinj,paulmadore/woodcoinj,patricklodder/bitcoinj,Kefkius/groestlcoinj,reddcoin-project/reddcoinj-pow,reddcoin-project/reddcoinj-pow,cpacia/bitcoinj,FTraian/bitcoinj-uc,tangyves/bitcoinj,FTraian/bitcoinj-uc,RobKohr/bitcoinj,RobKohr/bitcoinj,hughneale/bitcoinj,lavajumper/bitcoinj-scrypt,tangyves/bitcoinj,Kefkius/groestlcoinj,janko33bd/bitcoinj,devrandom/bitcoinj,MikeHuntington/blackcoinj-new,kris-davison/non-working-darkcoinj-fork,Kefkius/groestlcoinj,HashEngineering/darkcoinj,HashEngineering/mobilecashj,patricklodder/bitcoinj,devrandom/bitcoinj,RaviAjaibSingh/bitcoinj,cannabiscoindev/cannabiscoinj,reddcoin-project/reddcoinj-pow,veritaseum/bitcoinj,cannabiscoindev/cannabiscoinj,oscarguindzberg/bitcoinj,Rimbit/rimbitj,tjth/bitcoinj-lotterycoin,Enigmachine/btcjwork2,stonecoldpat/bitcoinj,HashEngineering/darkcoinj,tangyves/bitcoinj,jdojff/bitcoinj,bitcoin-solutions/bitcoinj-alice,HashEngineering/megacoinj,patricklodder/libdohj,imzhuli/bitcoinj,Coinomi/bitcoinj,cannabiscoindev/cannabiscoinj,janko33bd/bitcoinj,Kangmo/bitcoinj,rnicoll/altcoinj,dalbelap/bitcoinj,natzei/bitcoinj,HashEngineering/maxcoinj,ahmedbodi/anycoinj,HashEngineering/quarkcoinj,bitbandi/spreadcoinj,veritaseum/bitcoinj,GroestlCoin/groestlcoinj,troggy/bitcoinj,Kefkius/groestlcoinj,designsters/android-fork-bitcoinj,TheBlueMatt/bitcoinj,MintcoinCommunity/mintcoinj,lavajumper/bitcoinj-scrypt,schildbach/bitcoinj,HashEngineering/frankoj,yezune/darkcoinj,kmels/bitcoinj,wpstudio/blazecoinj,HashEngineering/digitalcoinj,peacekeeper/bitcoinj,rnicoll/bitcoinj,bitcoin-solutions/bitcoinj-alice,MonetaryUnit/monetaryunitj,Kefkius/groestlcoinj,fsb4000/bitcoinj,HashEngineering/myriadcoinj,jife94/bitcoinj,haxwell/bitcoinj,dogecoin/libdohj,bitcoin-solutions/bitcoinj-alice,stonecoldpat/bitcoinj,dcw312/bitcoinj,jdojff/bitcoinj,szdx/bitcoinj,fsb4000/bitcoinj,HashEngineering/mobilecashj,PeterNSteinmetz/peternsteinmetz-bitcoinj,cannabiscoindev/cannabiscoinj,danielmcclure/bitcoinj,cbeams/bitcoinj,veritaseum/bitcoinj,yenliangl/bitcoinj,blockchain/bitcoinj,tjth/bitcoinj-lotterycoin,VegasCoin/vegascoinj,AugieMillares/bitcoinj,bitcoinj/bitcoinj,bitbandi/spreadcoinj,paulminer/bitcoinj,yezune/darkcoinj,HashEngineering/infinitecoinj,Qw0kka/creditsj,DigiByte-Team/digibytej-alice,yezune/darkcoinj,langerhans/dogecoinj-new,kmels/bitcoinj,HashEngineering/unobtaniumj,bankonme/monetaryunitj,HashEngineering/dimecoinj,fsb4000/bitcoinj,you21979/bitcoinj,HashEngineering/dashj,peterdettman/bitcoinj,MintcoinCommunity/mintcoinj,HashEngineering/mobilecashj,HashEngineering/dimecoinj,MonetaryUnit/monetaryunitj,habibmasuro/smileycoinj,HashEngineering/maxcoinj,GroestlCoin/groestlcoinj,coinspark/sparkbit-bitcoinj,yenliangl/bitcoinj,novitski/bitcoinj,HashEngineering/maxcoinj,rootstock/bitcoinj,pelle/bitcoinj,haxwell/bitcoinj,peterdettman/bitcoinj,schildbach/bitcoinj,patricklodder/libdohj,bitbandi/spreadcoinj,cpacia/bitcoinj,imsaguy/bitcoinj,stafur/trustpluscoinj,hank/litecoinj,cpacia/bitcoinj,kurtwalker/bitcoinj,HashEngineering/myriadcoinj,TrustPlus/trustpluscoinj,VegasCoin/vegascoinj,bitcoinj/bitcoinj,natzei/bitcoinj,HashEngineering/dashj,bitbandi/spreadcoinj,bitbandi/spreadcoinj,jjculber/defcoinj,TrustPlus/trustpluscoinj,ligi/bitcoinj,oscarguindzberg/bitcoinj,tjth/bitcoinj-lotterycoin,HashEngineering/megacoinj,HashEngineering/groestlcoinj,HashEngineering/digitalcoinj,HashEngineering/megacoinj,MrDunne/bitcoinj,HashEngineering/maxcoinj,HashEngineering/darkcoinj,ahmedbodi/anycoinj,HashEngineering/dashj