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Merge pull request #24 from knd/develop

[CON-129] fix inconsistent failure in searching Tag value in record
Improve query time by an order of magnitude

This change leverges the data from the secondary record browse
method to improve query speed. Previously, we performed a database
fetch during a find query, which had to load a bunch of primary
records and was obviously slow
Merge branch 'develop' of github.com:cinchapi/concourse into develop
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remove busy wait from ConcourseExecutors
reduce thread stack size of gradle script
Revert "reduce thread stack size of gradle script"

This reverts commit 6c5ab8d79c4c8a467d4359d260b77700ac69acc3.
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Merge pull request #26 from airconditioner/develop

[CON-130] Allow "_" in environment name
Merge branch 'develop' of github.com:cinchapi/concourse into develop
Interrupt the BufferTransportThread when the Engine stops to make sure
that it stops if it is blocked waiting for a write to enter the
Buffer
change stop order
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javadoc update
verifyOrSet API
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