Updated doc.h with LeadLag controller and edited .travis.yml ROS_DISTRO variable

Author: progtologist

.travis.yml

@@ -16,7 +16,7 @@ notifications:
     on_failure: change #[always|never|change] # default: always
 before_install: # Use this to prepare the system to install prerequisites or dependencies
   # Define some config vars
-  - export ROS_DISTRO=hydro
+  - export ROS_DISTRO=indigo
   - export CI_SOURCE_PATH=$(pwd)
   - export REPOSITORY_NAME=${PWD##*/}
   - echo "Testing branch $TRAVIS_BRANCH of $REPOSITORY_NAME"

CMakeLists.txt

@@ -52,7 +52,6 @@ include_directories(
   )
 
 add_library(${PROJECT_NAME}
-  ${HEADERS}
   src/lead_lag.cpp
   src/lead_lag_gains_setter.cpp
   src/pid.cpp

doc.h

@@ -4,9 +4,11 @@
 
 The control_toolbox package contains the following C++ classes which may be useful when implementing controllers.
  \li \ref control_toolbox::Pid "Pid" for implementing position/integral/derivative control loops.
+ \li \ref control_toolbox::LeadLag "Lead Lag" for implementing lead or lag compensator control loops.
  \li \ref control_toolbox::Ramp "Ramp Output"
  \li \ref control_toolbox::SineSweep "Sine Sweep"
  \li \ref control_toolbox::Dither "Dither" for giving white noise at specified amplitude
  \li \ref control_toolbox::PidGainsSetter "Pid gains setter" for advertising a service for automatically changing PID gains.
+ \li \ref control_toolbox::LeadLagGainsSetter "Lead Lag gains setter" for advertising a service for automatically changing LeadLag gains.
 
 **/