Give erl-search-definition a meaningful return value

New helper erl-flash-region and use it in erl-find-source to provide
visual hint for successful searches.
Merge pull request #37 from leoliu/master

Give erl-search-definition a meaningful return value
erlext.el: Add support for float and new_float

Rename empty-symbol to erlext-empty-symbol.
erlext.el: Map elisp's hash table to/from erlang's map
erlext.el: Support smll- and large-bignums using math-bignum
Merge pull request #40 from leoliu/master

Float and map support for erlext.el
ping the node after choosing name to fix the lazy-connect strategy side effect like:
http://erlang.org/pipermail/erlang-questions/2009-September/046406.html
Merge pull request #43 from ericliang/master

ping the node after choosing name to fix the lazy-connect strategy side ...
add 'release' targets in Makefile
v4.0.7