Show a few build options at end of ./configure

configure:
configure: Configuration summary
configure: =====================
configure:
configure: Modules: bind gmysql geo random
configure: Dynamic Modules: pipe
configure:
configure: CC: gcc
configure: CXX: g++
configure: LD: /usr/bin/ld -m elf_x86_64
configure: CFLAGS: -fPIE -DPIE -D_FORTIFY_SOURCE=2 --param ssp-buffer-size=4 -fstack-protector -g -O2
configure: CPPFLAGS:
configure: CXXFLAGS: -fPIE -DPIE -D_FORTIFY_SOURCE=2 --param ssp-buffer-size=4 -fstack-protector -Wall -g -O2
configure: LDFLAGS: -Wl,-z -Wl,relro -Wl,-z -Wl,now -L/usr/lib64
configure:
configure: SQLite3 support: no
configure: Lua support: yes
Merge pull request #2017 from rubenk/show-configuration-summary

Show a few build options at end of ./configure