Fixed  issues in Employee,LeaveType and LeaveHoliday portlets

Instruction:
1.Please change the type of maritalStatus,gender columns in 'EmpPersonalDetails' entity to 'String' in service.xml file.

2.Insert the mapping tables in hrm database

create table hrm_applicable_employment_statuses (
    employmentStatusId bigint not null,
    leaveTypeApplicabilityId bigint not null,
    primary key (employmentStatusId, leaveTypeApplicabilityId)
);

create table hrm_applicable_job_titles (
    jobTitleId bigint not null,
    leaveTypeApplicabilityId bigint not null,
    primary key (jobTitleId, leaveTypeApplicabilityId)
);

create table hrm_emp_workshift (
    employeeId bigint not null,
    shiftId bigint not null,
    primary key (employeeId, shiftId)
);
create table locations_holidays (
    holidayId bigint not null,
    locationId bigint not null,
    primary key (holidayId, locationId)
);