Bug fixes: 1) Fix memory leak when metric expires. The metadata metric is deleted properly, but the value metric is not. 2) Memory leak because global_context is not destroyed before reloading config. 3) Fix errornous handling of zip content.
Bug fixes:
1) Fix memory leak when metric expires. The metadata metric is deleted
properly, but the value metric is not.
2) Memory leak because global_context is not destroyed before reloading
config.
3) Fix errornous handling of zip content.

ganglia/monitor-core,torkelsson/monitor-core,mjzhou/monitor-core,lawrencewu/monitor-core,mjzhou/monitor-core,lawrencewu/monitor-core,phreakocious/monitor-core,fastly/monitor-core,ganglia/monitor-core,lawrencewu/monitor-core,NoodlesNZ/monitor-core,torkelsson/monitor-core,sdgdsffdsfff/monitor-core,torkelsson/monitor-core,ganglia/monitor-core,NoodlesNZ/monitor-core,phreakocious/monitor-core,NoodlesNZ/monitor-core,mjzhou/monitor-core,fastly/monitor-core,NoodlesNZ/monitor-core,fastly/monitor-core,phreakocious/monitor-core,lawrencewu/monitor-core,fastly/monitor-core,mjzhou/monitor-core,lawrencewu/monitor-core,sdgdsffdsfff/monitor-core,ganglia/monitor-core,sdgdsffdsfff/monitor-core,torkelsson/monitor-core,sdgdsffdsfff/monitor-core,ganglia/monitor-core,torkelsson/monitor-core,phreakocious/monitor-core,ganglia/monitor-core,ganglia/monitor-core,ganglia/monitor-core,torkelsson/monitor-core,torkelsson/monitor-core,lawrencewu/monitor-core,sdgdsffdsfff/monitor-core,sdgdsffdsfff/monitor-core,NoodlesNZ/monitor-core,phreakocious/monitor-core,fastly/monitor-core,sdgdsffdsfff/monitor-core,phreakocious/monitor-core,NoodlesNZ/monitor-core,phreakocious/monitor-core,lawrencewu/monitor-core,fastly/monitor-core,mjzhou/monitor-core,fastly/monitor-core,NoodlesNZ/monitor-core,mjzhou/monitor-core,mjzhou/monitor-core