Documented `make regen`; fixed grammar.
Documented `make regen`; fixed grammar.

jomof/cmake-server-java-bindings,jomof/cmake-server-java-bindings,jomof/cmake-server-java-bindings,jomof/cmake-server-java-bindings,jomof/cmake-server-java-bindings,mbrukman/autogen,mbrukman/autogen,jomof/cmake-server-java-bindings