add support for O_DIRECT/F_NOCACHE to check impact of buffer cache avoidance
remove ugly and unnecessary debugging output
O_DIRECT makes no sense in this test because it requires page/block-sized writes
fix binding file bundle path
try some alternate, hard numbers when resetting open file limits on OS X
tracked down another remaining SessionHandleRef

import_status.sources kept references to the
most recently imported ARDOUR::SndFileSource
“all new sources” from Session::import_files()
simpler approach for Apple setrlimit() compatibility issue
fix some cast warnings
fix some cast warnings
remove file manager LRU cache from code.

This was a very clever attempt to fix a non-problem. If the platform doesn't have enough file descriptors available
then the platform is broken and we're not going to hack around trying to fix it.
Revert "fix some cast warnings"

This reverts commit 17707b9674958391949e59a724a264cdcc2d65ff.
Merge branch 'nofilemanager'
[Summary] Fixed issue with shifted playhead polygon when new session is created
fix indentation
add Grygorii Zharun to contributor list
tweaks to minsec and timecode ruler display, especially at very high zoom.

Imported from work on Tracks done in Tel Aviv, November 2014
Fix crash if new tempo is set to start at bar #0
Fix crash if new tempo is set to start at bar #0 / Follow-up for non movable tempos
Fix crash if new tempo is set to start at bar #0 / Follow-up for non movable meters