More perf fixes. Documents page consistency. Collection colors per database.
RavenDB-2625 fixed leak in ScratchBufferPool that could appear when we were allocating new transaction header and no other transactions were active
Merge pull request #1327 from ppekrol/RavenDB-2625

RavenDB-2625 fixed leak in ScratchBufferPool that could appear when we w...
fix for non existing menu for system database (when there are no other databases)
Merge pull request #1328 from grisha-kotler/master

fix for non existing menu for system database (when there are no other d...
RavenDB-2628 Exposing SeedIdentity method
Merge pull request #1329 from arekais/RavenDB-2628

RavenDB-2628 Exposing SeedIdentity method
Significant grid performance gains
Merge branch 'master' of github.com:ayende/ravendb
Merge branch 'master' of https://github.com/JudahGabriel/ravendb
Getting more tests to pass
Merge branch 'temp' of github.com:ayende/ravendb