[jolokia] Don't recompile the regexps every time
[jolokia] Don't recompile the regexps every time

Calling re.match results in calling re.compile on the regex. This
compiled regex can be cached so it doesn't have to be recompiled every
time check_mbean() is called.

MichaelDoyle/Diamond,gg7/diamond,tusharmakkar08/Diamond,skbkontur/Diamond,anandbhoraskar/Diamond,python-diamond/Diamond,Netuitive/Diamond,jaingaurav/Diamond,gg7/diamond,actmd/Diamond,anandbhoraskar/Diamond,Netuitive/netuitive-diamond,hamelg/Diamond,Netuitive/Diamond,Ensighten/Diamond,hamelg/Diamond,MichaelDoyle/Diamond,tusharmakkar08/Diamond,Netuitive/Diamond,Netuitive/netuitive-diamond,Clever/Diamond,bmhatfield/Diamond,tusharmakkar08/Diamond,gg7/diamond,actmd/Diamond,MichaelDoyle/Diamond,Netuitive/netuitive-diamond,bmhatfield/Diamond,jaingaurav/Diamond,python-diamond/Diamond,gg7/diamond,Ensighten/Diamond,Ssawa/Diamond,Ssawa/Diamond,Ensighten/Diamond,Ssawa/Diamond,hamelg/Diamond,Clever/Diamond,hamelg/Diamond,jaingaurav/Diamond,MichaelDoyle/Diamond,anandbhoraskar/Diamond,jaingaurav/Diamond,Ssawa/Diamond,skbkontur/Diamond,Netuitive/Diamond,Netuitive/netuitive-diamond,actmd/Diamond,python-diamond/Diamond,anandbhoraskar/Diamond,Clever/Diamond,Clever/Diamond,actmd/Diamond,bmhatfield/Diamond,skbkontur/Diamond,Ensighten/Diamond,skbkontur/Diamond,bmhatfield/Diamond,tusharmakkar08/Diamond