gossip: Refactor triggering to avoid mpath infection

git-svn-id: https://scalaris.googlecode.com/svn/trunk@6577 71766da9-9752-0410-ab17-bfafa751c56a
gossip_load: Improve new-round-without-convergence warning

git-svn-id: https://scalaris.googlecode.com/svn/trunk@6578 71766da9-9752-0410-ab17-bfafa751c56a
gossip: Set FIRST_TRIGGER_DELAY to zero as default

git-svn-id: https://scalaris.googlecode.com/svn/trunk@6579 71766da9-9752-0410-ab17-bfafa751c56a
histogram: fix some variable names

git-svn-id: https://scalaris.googlecode.com/svn/trunk@6580 71766da9-9752-0410-ab17-bfafa751c56a
nodelist: fix bug in simplified boolean expression

If K1 <= K2, also check if K2 is the BaseKey. If so, K1 can only be equal
but not less than K2.

git-svn-id: https://scalaris.googlecode.com/svn/trunk@6581 71766da9-9752-0410-ab17-bfafa751c56a
nodelist: further simplified boolean expression according to boolean algebra

git-svn-id: https://scalaris.googlecode.com/svn/trunk@6582 71766da9-9752-0410-ab17-bfafa751c56a
histogram_rt: start histogram at base key

git-svn-id: https://scalaris.googlecode.com/svn/trunk@6583 71766da9-9752-0410-ab17-bfafa751c56a
rt_beh: get_split_key/3 let enumerator be of type number()

git-svn-id: https://scalaris.googlecode.com/svn/trunk@6584 71766da9-9752-0410-ab17-bfafa751c56a
histogram_rt_SUITE: test all rt variants

git-svn-id: https://scalaris.googlecode.com/svn/trunk@6585 71766da9-9752-0410-ab17-bfafa751c56a