Changed PgmPanel to reuse
moved PgmPanel cache to PgmPanel class
changed log levels
Changed AlertPanel to reuse
updated core.async
fixed some leaks
Merge branch 'master' into ca-update
made UI strings to build by StringBuilder
made ImageCache to flush images when it's removed
reduced excess re-layout requests
Merge branch 'master' into ca-update
fixed wrong message format strings
replaced image scaling logic
removed obsolete dependency
followed latest AlertPanel spec changes
followed updating core.async
fixed String's memory leak (http://bugs.java.com/bugdatabase/view_bug.do?bug_id=4513622)
avoid String's memory leak bug
suppressed log message
reduced LogRecord size