TS-2174: Fix StatBinaryEval() on div operation

We should fore the type of result to be RecFloat on div operation,
otherwise we can't get the fraction when dividing two RecInt.

Signed-off-by: Yunkai Zhang <qiushu.zyk@taobao.com>
ci: fix debug jobs for centos5
ci: test make distclean in jenkins
Added proper .'s, come on people, proper sentences. ;)
TS-2107 Revert this change, please review for correctness
TS-2177: Improve code quality of FeatureAPIHooks.
TS-2174: Assign proper type for uninitialized expression token

In librecords, not all token are register at initialization,
we must assign proper type if it is undefined.

Signed-off-by: Yunkai Zhang <qiushu.zyk@taobao.com>
TS-2177: Add invoke utility method to APIHooks.
TS-858 Updated the docs to 128MB examples

This avoids the confusion of examples being smaller than
the minimum disk cache size we have.
TS-2179 Added option for lowercase path
TS-2168 Make RecordsConfig.cc more inline with default builds.
TS-2113 first stab at porting it over to ATS, still more work to be done to the balancer plugin
TS-2168 Make RecordsConfig.cc more inline with default builds.
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/trafficserver
TS-2113 - Porting balancer over to ATS, still more work to be done