remove unused file
make creating connpool delayed
include man file by default
remove function(clear parameters with SIGUSR1)
make procname max length shorten
enhance readability
adjust space
remove unused line
fix illegal copy processing
add contents for doc
v0.7.4 released
revert max length of process name

Each process name becomes strange when there are too many environments.
v0.7.5 released
add parameter 'logpath'
add logpath and access_mask for master process
exclusion control for error log
remove not used but set variables
fix SEGV(when env is null, neoagent cause SEGV)
adjust space
graceful restart implementation