Dropping the pre-R18 support (#283)

* Getting rid of pre r18 support and moving to Rebar3

Co-authored-by: Heinz N. Gies <[email protected]>

release v0.14.0

Signed-off-by: Andreas Stenius <[email protected]>

* Remove deprecated "maintainers" from app.src

* #254 Semantical issue in rebar.config.script

* #255 OTP20 compatibility
* #261 OTP21 compatibility
* #263 Ensure modules are loaded when checking function_exported
* #267 Fix erlang:get_stacktrace() warning
* Add OTP22 to supported versions and travis

release 0.12.1.

release v0.12.0

Release 0.11.1

Release 0.11.0

Release 0.10.0

Merge branch 'master' into stable

Conflicts:
	NEWS.md (note to self to resolve: git co -- NEWS.md ; git show master:NEWS.md)

Update:
        src/erlydtl.app.src

Release 0.9.4

Merge branch 'master' into stable

Conflicts:
	NEWS.md
	rebar.config