BIGTOP-3. Add top-level, real .gitignore file for git-svn.
BIGTOP-3. Add top-level, real .gitignore file for git-svn.

git-svn-id: 0cbc8c076774f10ba31542f251468f5b94cfdb25@1153656 13f79535-47bb-0310-9956-ffa450edef68

alaunay/bigtop,mbalassi/bigtop,b-long/bigtop,shiroyp/bigtop,mombergm/bigtop,gridgain/apache-bigtop,ravwojdyla/bigtop,mbalassi/bigtop,oflebbe/bigtop,evans-ye/bigtop,juju-solutions/bigtop,oflebbe/bigtop,panagiotisl/bigtop,apurtell/bigtop,mombergm/bigtop,welikecloud/bigtop,welikecloud/bigtop,mbalassi/bigtop,Altiscale/bigtop,evans-ye/bigtop,alaunay/bigtop,sekikn/bigtop,jagatsingh/bigtop,apache/bigtop,odpi/bigtop,JunHe77/bigtop,gridgain/apache-bigtop,ravwojdyla/bigtop,panagiotisl/bigtop,dduvnjak/apache-bigtop,JunHe77/bigtop,ravwojdyla/bigtop,mattfenwick/bigtop,belvedere-trading/bigtop,Altiscale/bigtop,belvedere-trading/bigtop,apache/bigtop,SwathiMystery/bigtop,JunHe77/bigtop,b-long/bigtop,Altiscale/bigtop,evans-ye/bigtop,markgrover/bigtop-rvs,odpi/bigtop,gridgain/apache-bigtop,mattfenwick/bigtop,arenadata/bigtop,oflebbe/bigtop,shiroyp/bigtop,sekikn/bigtop,ravwojdyla/bigtop,apurtell/bigtop,b-long/bigtop,Guavus/bigtop,jayunit100/bigtop,juju-solutions/bigtop,c0s/bigtop,panagiotisl/bigtop,minggLu/bigtop,sekikn/bigtop,Guavus/bigtop,dduvnjak/apache-bigtop,Guavus/bigtop,rnowling/bigtop,arenadata/bigtop,mattfenwick/bigtop,juju-solutions/bigtop,tomz/bigtop,youngwookim/bigtop,apache/bigtop,arenadata/bigtop,gridgain/apache-bigtop,welikecloud/bigtop,ravwojdyla/bigtop,youngwookim/bigtop,evans-ye/bigtop,minggLu/bigtop,jayunit100/bigtop,SwathiMystery/bigtop,amitkabraiiit/bigtop,rnowling/bigtop,alaunay/bigtop,tomz/bigtop,aelent/bigtop,aelent/bigtop,lewismc/bigtop,markgrover/bigtop-rvs,dduvnjak/apache-bigtop,jagatsingh/bigtop,apurtell/bigtop,odpi/bigtop,markgrover/bigtop-rvs,juju-solutions/bigtop,youngwookim/bigtop,lewismc/bigtop,JunHe77/bigtop,sekikn/bigtop,alaunay/bigtop,Altiscale/bigtop,rnowling/bigtop,shiroyp/bigtop,mbalassi/bigtop,sekikn/bigtop,markgrover/bigtop-rvs,Guavus/bigtop,jagatsingh/bigtop,mattfenwick/bigtop,welikecloud/bigtop,gridgain/apache-bigtop,mattfenwick/bigtop,arenadata/bigtop,lewismc/bigtop,c0s/bigtop,amitkabraiiit/bigtop,minggLu/bigtop,apache/bigtop,apache/bigtop,aelent/bigtop,belvedere-trading/bigtop,odpi/bigtop,dduvnjak/apache-bigtop,c0s/bigtop,mombergm/bigtop,lewismc/bigtop,SwathiMystery/bigtop,youngwookim/bigtop,tomz/bigtop,jayunit100/bigtop,panagiotisl/bigtop,amitkabraiiit/bigtop